Ejemplo n.º 1
0
        public static void RunTest(SemgrexPattern pattern, SemanticGraph graph, params string[] expectedMatches)
        {
            // results are not in the order I would expect.  Using a counter
            // allows them to be in any order
            IntCounter <string> counts = new IntCounter <string>();

            for (int i = 0; i < expectedMatches.Length; ++i)
            {
                counts.IncrementCount(expectedMatches[i]);
            }
            IntCounter <string> originalCounts = new IntCounter <string>(counts);
            SemgrexMatcher      matcher        = pattern.Matcher(graph);

            for (int i_1 = 0; i_1 < expectedMatches.Length; ++i_1)
            {
                if (!matcher.Find())
                {
                    throw new AssertionFailedError("Expected " + expectedMatches.Length + " matches for pattern " + pattern + " on " + graph + ", only got " + i_1);
                }
                string match = matcher.GetMatch().ToString();
                if (!counts.ContainsKey(match))
                {
                    throw new AssertionFailedError("Unexpected match " + match + " for pattern " + pattern + " on " + graph);
                }
                counts.DecrementCount(match);
                if (counts.GetCount(match) < 0)
                {
                    throw new AssertionFailedError("Found too many matches for " + match + " for pattern " + pattern + " on " + graph);
                }
            }
            if (matcher.FindNextMatchingNode())
            {
                throw new AssertionFailedError("Found more than " + expectedMatches.Length + " matches for pattern " + pattern + " on " + graph + "... extra match is " + matcher.GetMatch());
            }
        }
Ejemplo n.º 2
0
        public static void OutputResults(SemgrexPattern pattern, SemanticGraph graph, params string[] ignored)
        {
            System.Console.Out.WriteLine("Matching pattern " + pattern + " to\n" + graph + "  :" + (pattern.Matcher(graph).Matches() ? "matches" : "doesn't match"));
            System.Console.Out.WriteLine();
            pattern.PrettyPrint();
            System.Console.Out.WriteLine();
            SemgrexMatcher matcher = pattern.Matcher(graph);

            while (matcher.Find())
            {
                System.Console.Out.WriteLine("  " + matcher.GetMatch());
                ICollection <string> nodeNames = matcher.GetNodeNames();
                if (nodeNames != null && nodeNames.Count > 0)
                {
                    foreach (string name in nodeNames)
                    {
                        System.Console.Out.WriteLine("    " + name + ": " + matcher.GetNode(name));
                    }
                }
                ICollection <string> relNames = matcher.GetRelationNames();
                if (relNames != null)
                {
                    foreach (string name in relNames)
                    {
                        System.Console.Out.WriteLine("    " + name + ": " + matcher.GetRelnString(name));
                    }
                }
            }
        }
Ejemplo n.º 3
0
        public virtual void TestNamedNode()
        {
            SemanticGraph graph = MakeComplicatedGraph();

            RunTest("{} >dobj ({} >expl {})", graph, "A");
            SemgrexPattern pattern = SemgrexPattern.Compile("{} >dobj ({} >expl {}=foo)");
            SemgrexMatcher matcher = pattern.Matcher(graph);

            NUnit.Framework.Assert.IsTrue(matcher.Find());
            NUnit.Framework.Assert.AreEqual(1, matcher.GetNodeNames().Count);
            NUnit.Framework.Assert.AreEqual("E", matcher.GetNode("foo").ToString());
            NUnit.Framework.Assert.AreEqual("A", matcher.GetMatch().ToString());
            NUnit.Framework.Assert.IsFalse(matcher.Find());
            pattern = SemgrexPattern.Compile("{} >dobj ({} >expl {}=foo) >mod {}");
            matcher = pattern.Matcher(graph);
            NUnit.Framework.Assert.IsTrue(matcher.Find());
            NUnit.Framework.Assert.AreEqual(1, matcher.GetNodeNames().Count);
            NUnit.Framework.Assert.AreEqual("E", matcher.GetNode("foo").ToString());
            NUnit.Framework.Assert.AreEqual("A", matcher.GetMatch().ToString());
            NUnit.Framework.Assert.IsFalse(matcher.Find());
            pattern = SemgrexPattern.Compile("{} >dobj ({} >expl {}=foo) >mod ({} >mark {})");
            matcher = pattern.Matcher(graph);
            NUnit.Framework.Assert.IsTrue(matcher.Find());
            NUnit.Framework.Assert.AreEqual(1, matcher.GetNodeNames().Count);
            NUnit.Framework.Assert.AreEqual("E", matcher.GetNode("foo").ToString());
            NUnit.Framework.Assert.AreEqual("A", matcher.GetMatch().ToString());
            NUnit.Framework.Assert.IsFalse(matcher.Find());
            pattern = SemgrexPattern.Compile("{} >dobj ({} >expl {}=foo) >mod ({} > {})");
            matcher = pattern.Matcher(graph);
            NUnit.Framework.Assert.IsTrue(matcher.Find());
            NUnit.Framework.Assert.AreEqual(1, matcher.GetNodeNames().Count);
            NUnit.Framework.Assert.AreEqual("E", matcher.GetNode("foo").ToString());
            NUnit.Framework.Assert.AreEqual("A", matcher.GetMatch().ToString());
            NUnit.Framework.Assert.IsFalse(matcher.Find());
            pattern = SemgrexPattern.Compile("{} >dobj ({} >expl {}=foo) >mod ({} > {}=foo)");
            matcher = pattern.Matcher(graph);
            NUnit.Framework.Assert.IsTrue(matcher.Find());
            NUnit.Framework.Assert.AreEqual(1, matcher.GetNodeNames().Count);
            NUnit.Framework.Assert.AreEqual("E", matcher.GetNode("foo").ToString());
            NUnit.Framework.Assert.AreEqual("A", matcher.GetMatch().ToString());
            NUnit.Framework.Assert.IsFalse(matcher.Find());
            pattern = SemgrexPattern.Compile("{} >dobj ({} >expl {}=foo) >mod ({}=foo > {})");
            matcher = pattern.Matcher(graph);
            NUnit.Framework.Assert.IsFalse(matcher.Find());
        }
Ejemplo n.º 4
0
        public virtual void TestEqualsRelation()
        {
            SemanticGraph  graph   = SemanticGraph.ValueOf("[ate subj>Bill dobj>[muffins compound>blueberry]]");
            SemgrexPattern pattern = SemgrexPattern.Compile("{} >> ({}=a == {}=b)");
            SemgrexMatcher matcher = pattern.Matcher(graph);

            NUnit.Framework.Assert.IsTrue(matcher.Find());
            NUnit.Framework.Assert.AreEqual(2, matcher.GetNodeNames().Count);
            NUnit.Framework.Assert.AreEqual("ate", matcher.GetMatch().ToString());
            NUnit.Framework.Assert.AreEqual("Bill", matcher.GetNode("a").ToString());
            NUnit.Framework.Assert.AreEqual("Bill", matcher.GetNode("b").ToString());
            NUnit.Framework.Assert.IsTrue(matcher.Find());
            NUnit.Framework.Assert.AreEqual(2, matcher.GetNodeNames().Count);
            NUnit.Framework.Assert.AreEqual("ate", matcher.GetMatch().ToString());
            NUnit.Framework.Assert.AreEqual("muffins", matcher.GetNode("a").ToString());
            NUnit.Framework.Assert.AreEqual("muffins", matcher.GetNode("b").ToString());
            NUnit.Framework.Assert.IsTrue(matcher.Find());
            NUnit.Framework.Assert.AreEqual(2, matcher.GetNodeNames().Count);
            NUnit.Framework.Assert.AreEqual("ate", matcher.GetMatch().ToString());
            NUnit.Framework.Assert.AreEqual("blueberry", matcher.GetNode("a").ToString());
            NUnit.Framework.Assert.AreEqual("blueberry", matcher.GetNode("b").ToString());
            NUnit.Framework.Assert.IsTrue(matcher.Find());
            NUnit.Framework.Assert.AreEqual(2, matcher.GetNodeNames().Count);
            NUnit.Framework.Assert.AreEqual("muffins", matcher.GetMatch().ToString());
            NUnit.Framework.Assert.AreEqual("blueberry", matcher.GetNode("a").ToString());
            NUnit.Framework.Assert.AreEqual("blueberry", matcher.GetNode("b").ToString());
            NUnit.Framework.Assert.IsFalse(matcher.Find());
            // This split pattern should also work
            pattern = SemgrexPattern.Compile("{} >> {}=a >> {}=b : {}=a == {}=b");
            matcher = pattern.Matcher(graph);
            NUnit.Framework.Assert.IsTrue(matcher.Find());
            NUnit.Framework.Assert.AreEqual(2, matcher.GetNodeNames().Count);
            NUnit.Framework.Assert.AreEqual("ate", matcher.GetMatch().ToString());
            NUnit.Framework.Assert.AreEqual("Bill", matcher.GetNode("a").ToString());
            NUnit.Framework.Assert.AreEqual("Bill", matcher.GetNode("b").ToString());
            NUnit.Framework.Assert.IsTrue(matcher.Find());
            NUnit.Framework.Assert.AreEqual(2, matcher.GetNodeNames().Count);
            NUnit.Framework.Assert.AreEqual("ate", matcher.GetMatch().ToString());
            NUnit.Framework.Assert.AreEqual("muffins", matcher.GetNode("a").ToString());
            NUnit.Framework.Assert.AreEqual("muffins", matcher.GetNode("b").ToString());
            NUnit.Framework.Assert.IsTrue(matcher.Find());
            NUnit.Framework.Assert.AreEqual(2, matcher.GetNodeNames().Count);
            NUnit.Framework.Assert.AreEqual("ate", matcher.GetMatch().ToString());
            NUnit.Framework.Assert.AreEqual("blueberry", matcher.GetNode("a").ToString());
            NUnit.Framework.Assert.AreEqual("blueberry", matcher.GetNode("b").ToString());
            NUnit.Framework.Assert.IsTrue(matcher.Find());
            NUnit.Framework.Assert.AreEqual(2, matcher.GetNodeNames().Count);
            NUnit.Framework.Assert.AreEqual("muffins", matcher.GetMatch().ToString());
            NUnit.Framework.Assert.AreEqual("blueberry", matcher.GetNode("a").ToString());
            NUnit.Framework.Assert.AreEqual("blueberry", matcher.GetNode("b").ToString());
            NUnit.Framework.Assert.IsFalse(matcher.Find());
        }
Ejemplo n.º 5
0
        public virtual void TestInitialConditions()
        {
            SemanticGraph  graph   = MakeComplicatedGraph();
            SemgrexPattern pattern = SemgrexPattern.Compile("{}=a >> {}=b : {}=a >> {}=c");
            IDictionary <string, IndexedWord> variables = new Dictionary <string, IndexedWord>();

            variables["b"] = graph.GetNodeByIndex(5);
            variables["c"] = graph.GetNodeByIndex(2);
            SemgrexMatcher matcher = pattern.Matcher(graph, variables);

            NUnit.Framework.Assert.IsTrue(matcher.Find());
            NUnit.Framework.Assert.AreEqual(3, matcher.GetNodeNames().Count);
            NUnit.Framework.Assert.AreEqual("A", matcher.GetNode("a").ToString());
            NUnit.Framework.Assert.AreEqual("E", matcher.GetNode("b").ToString());
            NUnit.Framework.Assert.AreEqual("B", matcher.GetNode("c").ToString());
            NUnit.Framework.Assert.AreEqual("A", matcher.GetMatch().ToString());
            NUnit.Framework.Assert.IsFalse(matcher.Find());
        }
Ejemplo n.º 6
0
        public virtual void TestNotEquals()
        {
            SemanticGraph  graph   = SemanticGraph.ValueOf("[ate subj>Bill dobj>[muffins compound>blueberry]]");
            SemgrexPattern pattern = SemgrexPattern.Compile("{} >> {}=a >> {}=b : {}=a !== {}=b");
            SemgrexMatcher matcher = pattern.Matcher(graph);

            NUnit.Framework.Assert.IsTrue(matcher.Find());
            NUnit.Framework.Assert.AreEqual(2, matcher.GetNodeNames().Count);
            NUnit.Framework.Assert.AreEqual("ate", matcher.GetMatch().ToString());
            NUnit.Framework.Assert.AreEqual("Bill", matcher.GetNode("a").ToString());
            NUnit.Framework.Assert.AreEqual("muffins", matcher.GetNode("b").ToString());
            NUnit.Framework.Assert.IsTrue(matcher.Find());
            NUnit.Framework.Assert.AreEqual(2, matcher.GetNodeNames().Count);
            NUnit.Framework.Assert.AreEqual("ate", matcher.GetMatch().ToString());
            NUnit.Framework.Assert.AreEqual("Bill", matcher.GetNode("a").ToString());
            NUnit.Framework.Assert.AreEqual("blueberry", matcher.GetNode("b").ToString());
            NUnit.Framework.Assert.IsTrue(matcher.Find());
            NUnit.Framework.Assert.AreEqual(2, matcher.GetNodeNames().Count);
            NUnit.Framework.Assert.AreEqual("ate", matcher.GetMatch().ToString());
            NUnit.Framework.Assert.AreEqual("muffins", matcher.GetNode("a").ToString());
            NUnit.Framework.Assert.AreEqual("Bill", matcher.GetNode("b").ToString());
            NUnit.Framework.Assert.IsTrue(matcher.Find());
            NUnit.Framework.Assert.AreEqual(2, matcher.GetNodeNames().Count);
            NUnit.Framework.Assert.AreEqual("ate", matcher.GetMatch().ToString());
            NUnit.Framework.Assert.AreEqual("muffins", matcher.GetNode("a").ToString());
            NUnit.Framework.Assert.AreEqual("blueberry", matcher.GetNode("b").ToString());
            NUnit.Framework.Assert.IsTrue(matcher.Find());
            NUnit.Framework.Assert.AreEqual(2, matcher.GetNodeNames().Count);
            NUnit.Framework.Assert.AreEqual("ate", matcher.GetMatch().ToString());
            NUnit.Framework.Assert.AreEqual("blueberry", matcher.GetNode("a").ToString());
            NUnit.Framework.Assert.AreEqual("Bill", matcher.GetNode("b").ToString());
            NUnit.Framework.Assert.IsTrue(matcher.Find());
            NUnit.Framework.Assert.AreEqual(2, matcher.GetNodeNames().Count);
            NUnit.Framework.Assert.AreEqual("ate", matcher.GetMatch().ToString());
            NUnit.Framework.Assert.AreEqual("blueberry", matcher.GetNode("a").ToString());
            NUnit.Framework.Assert.AreEqual("muffins", matcher.GetNode("b").ToString());
            NUnit.Framework.Assert.IsFalse(matcher.Find());
            // same as the first test, essentially, but with a more compact expression
            pattern = SemgrexPattern.Compile("{} >> {}=a >> ({}=b !== {}=a)");
            matcher = pattern.Matcher(graph);
            NUnit.Framework.Assert.IsTrue(matcher.Find());
            NUnit.Framework.Assert.AreEqual(2, matcher.GetNodeNames().Count);
            NUnit.Framework.Assert.AreEqual("ate", matcher.GetMatch().ToString());
            NUnit.Framework.Assert.AreEqual("Bill", matcher.GetNode("a").ToString());
            NUnit.Framework.Assert.AreEqual("muffins", matcher.GetNode("b").ToString());
            NUnit.Framework.Assert.IsTrue(matcher.Find());
            NUnit.Framework.Assert.AreEqual(2, matcher.GetNodeNames().Count);
            NUnit.Framework.Assert.AreEqual("ate", matcher.GetMatch().ToString());
            NUnit.Framework.Assert.AreEqual("Bill", matcher.GetNode("a").ToString());
            NUnit.Framework.Assert.AreEqual("blueberry", matcher.GetNode("b").ToString());
            NUnit.Framework.Assert.IsTrue(matcher.Find());
            NUnit.Framework.Assert.AreEqual(2, matcher.GetNodeNames().Count);
            NUnit.Framework.Assert.AreEqual("ate", matcher.GetMatch().ToString());
            NUnit.Framework.Assert.AreEqual("muffins", matcher.GetNode("a").ToString());
            NUnit.Framework.Assert.AreEqual("Bill", matcher.GetNode("b").ToString());
            NUnit.Framework.Assert.IsTrue(matcher.Find());
            NUnit.Framework.Assert.AreEqual(2, matcher.GetNodeNames().Count);
            NUnit.Framework.Assert.AreEqual("ate", matcher.GetMatch().ToString());
            NUnit.Framework.Assert.AreEqual("muffins", matcher.GetNode("a").ToString());
            NUnit.Framework.Assert.AreEqual("blueberry", matcher.GetNode("b").ToString());
            NUnit.Framework.Assert.IsTrue(matcher.Find());
            NUnit.Framework.Assert.AreEqual(2, matcher.GetNodeNames().Count);
            NUnit.Framework.Assert.AreEqual("ate", matcher.GetMatch().ToString());
            NUnit.Framework.Assert.AreEqual("blueberry", matcher.GetNode("a").ToString());
            NUnit.Framework.Assert.AreEqual("Bill", matcher.GetNode("b").ToString());
            NUnit.Framework.Assert.IsTrue(matcher.Find());
            NUnit.Framework.Assert.AreEqual(2, matcher.GetNodeNames().Count);
            NUnit.Framework.Assert.AreEqual("ate", matcher.GetMatch().ToString());
            NUnit.Framework.Assert.AreEqual("blueberry", matcher.GetNode("a").ToString());
            NUnit.Framework.Assert.AreEqual("muffins", matcher.GetNode("b").ToString());
            NUnit.Framework.Assert.IsFalse(matcher.Find());
        }
Ejemplo n.º 7
0
        /// <summary>Prints out all matches of a semgrex pattern on a file of dependencies.</summary>
        /// <remarks>
        /// Prints out all matches of a semgrex pattern on a file of dependencies.
        /// <p>
        /// Usage:<br />
        /// java edu.stanford.nlp.semgraph.semgrex.SemgrexPattern [args]
        /// <br />
        /// See the help() function for a list of possible arguments to provide.
        /// </remarks>
        /// <exception cref="System.IO.IOException"/>
        public static void Main(string[] args)
        {
            IDictionary <string, int> flagMap = Generics.NewHashMap();

            flagMap[Pattern]            = 1;
            flagMap[TreeFile]           = 1;
            flagMap[Mode]               = 1;
            flagMap[Extras]             = 1;
            flagMap[ConlluFile]         = 1;
            flagMap[OutputFormatOption] = 1;
            IDictionary <string, string[]> argsMap = StringUtils.ArgsToMap(args, flagMap);

            // args = argsMap.get(null);
            // TODO: allow patterns to be extracted from a file
            if (!(argsMap.Contains(Pattern)) || argsMap[Pattern].Length == 0)
            {
                Help();
                System.Environment.Exit(2);
            }
            Edu.Stanford.Nlp.Semgraph.Semgrex.SemgrexPattern semgrex = Edu.Stanford.Nlp.Semgraph.Semgrex.SemgrexPattern.Compile(argsMap[Pattern][0]);
            string modeString = DefaultMode;

            if (argsMap.Contains(Mode) && argsMap[Mode].Length > 0)
            {
                modeString = argsMap[Mode][0].ToUpper();
            }
            SemanticGraphFactory.Mode mode = SemanticGraphFactory.Mode.ValueOf(modeString);
            string outputFormatString      = DefaultOutputFormat;

            if (argsMap.Contains(OutputFormatOption) && argsMap[OutputFormatOption].Length > 0)
            {
                outputFormatString = argsMap[OutputFormatOption][0].ToUpper();
            }
            SemgrexPattern.OutputFormat outputFormat = SemgrexPattern.OutputFormat.ValueOf(outputFormatString);
            bool useExtras = true;

            if (argsMap.Contains(Extras) && argsMap[Extras].Length > 0)
            {
                useExtras = bool.ValueOf(argsMap[Extras][0]);
            }
            IList <SemanticGraph> graphs = Generics.NewArrayList();

            // TODO: allow other sources of graphs, such as dependency files
            if (argsMap.Contains(TreeFile) && argsMap[TreeFile].Length > 0)
            {
                foreach (string treeFile in argsMap[TreeFile])
                {
                    log.Info("Loading file " + treeFile);
                    MemoryTreebank treebank = new MemoryTreebank(new TreeNormalizer());
                    treebank.LoadPath(treeFile);
                    foreach (Tree tree in treebank)
                    {
                        // TODO: allow other languages... this defaults to English
                        SemanticGraph graph = SemanticGraphFactory.MakeFromTree(tree, mode, useExtras ? GrammaticalStructure.Extras.Maximal : GrammaticalStructure.Extras.None);
                        graphs.Add(graph);
                    }
                }
            }
            if (argsMap.Contains(ConlluFile) && argsMap[ConlluFile].Length > 0)
            {
                CoNLLUDocumentReader reader = new CoNLLUDocumentReader();
                foreach (string conlluFile in argsMap[ConlluFile])
                {
                    log.Info("Loading file " + conlluFile);
                    IEnumerator <SemanticGraph> it = reader.GetIterator(IOUtils.ReaderFromString(conlluFile));
                    while (it.MoveNext())
                    {
                        SemanticGraph graph = it.Current;
                        graphs.Add(graph);
                    }
                }
            }
            foreach (SemanticGraph graph_1 in graphs)
            {
                SemgrexMatcher matcher = semgrex.Matcher(graph_1);
                if (!matcher.Find())
                {
                    continue;
                }
                if (outputFormat == SemgrexPattern.OutputFormat.List)
                {
                    log.Info("Matched graph:" + Runtime.LineSeparator() + graph_1.ToString(SemanticGraph.OutputFormat.List));
                    int  i     = 1;
                    bool found = true;
                    while (found)
                    {
                        log.Info("Match " + i + " at: " + matcher.GetMatch().ToString(CoreLabel.OutputFormat.ValueIndex));
                        IList <string> nodeNames = Generics.NewArrayList();
                        Sharpen.Collections.AddAll(nodeNames, matcher.GetNodeNames());
                        nodeNames.Sort();
                        foreach (string name in nodeNames)
                        {
                            log.Info("  " + name + ": " + matcher.GetNode(name).ToString(CoreLabel.OutputFormat.ValueIndex));
                        }
                        log.Info(" ");
                        found = matcher.Find();
                    }
                }
                else
                {
                    if (outputFormat == SemgrexPattern.OutputFormat.Offset)
                    {
                        if (graph_1.VertexListSorted().IsEmpty())
                        {
                            continue;
                        }
                        System.Console.Out.Printf("+%d %s%n", graph_1.VertexListSorted()[0].Get(typeof(CoreAnnotations.LineNumberAnnotation)), argsMap[ConlluFile][0]);
                    }
                }
            }
        }
        public virtual void TestFind()
        {
            SemanticGraph h = SemanticGraph.ValueOf("[married/VBN nsubjpass>Hughes/NNP auxpass>was/VBD prep_to>Gracia/NNP]");
            SemanticGraph t = SemanticGraph.ValueOf("[loved/VBD\nnsubj>Hughes/NNP\ndobj>[wife/NN poss>his/PRP$ appos>Gracia/NNP]\nconj_and>[obsessed/JJ\ncop>was/VBD\nadvmod>absolutely/RB\nprep_with>[Elicia/NN poss>his/PRP$ amod>little/JJ compound>daughter/NN]]]"
                                                    );
            string         s    = "(ROOT\n(S\n(NP (DT The) (NN chimney) (NNS sweeps))\n(VP (VBP do) (RB not)\n(VP (VB like)\n(S\n(VP (VBG working)\n(PP (IN on)\n(NP (DT an) (JJ empty) (NN stomach)))))))\n(. .)))";
            Tree           tree = Tree.ValueOf(s);
            SemanticGraph  sg   = SemanticGraphFactory.MakeFromTree(tree, SemanticGraphFactory.Mode.Collapsed, GrammaticalStructure.Extras.Maximal, null);
            SemgrexPattern pat  = SemgrexPattern.Compile("{}=gov ![>det {}] & > {word:/^(?!not).*$/}=dep");

            sg.PrettyPrint();
            // SemgrexPattern pat =
            // SemgrexPattern.compile("{} [[<prep_to ({word:married} >nsubjpass {})] | [<nsubjpass ({word:married} >prep_to {})]]");
            pat.PrettyPrint();
            SemgrexMatcher mat = pat.Matcher(sg);

            while (mat.Find())
            {
                // String match = mat.getMatch().word();
                string gov = mat.GetNode("gov").Word();
                // String reln = mat.getRelnString("reln");
                string dep = mat.GetNode("dep").Word();
                // System.out.println(match);
                System.Console.Out.WriteLine(dep + ' ' + gov);
            }
            SemgrexPattern pat2 = SemgrexPattern.Compile("{} [[>/nn|appos/ ({lemma:/wife|husband|partner/} >/poss/ {}=txtPartner)] | [<poss ({}=txtPartner >/nn|appos/ {lemma:/wife|husband|partner/})]" + "| [<nsubj ({$} >> ({word:/wife|husband|partner/} >poss {word:/his|her/} >/nn|appos/ {}))]]"
                                                         );
            SemgrexMatcher mat2 = pat2.Matcher(t);

            while (mat2.Find())
            {
                string match = mat2.GetMatch().Word();
                // String gov = mat.getNode("gov").word();
                // String reln = mat.getRelnString("reln");
                // String dep = mat.getNode("dep").word();
                System.Console.Out.WriteLine(match);
            }
            // System.out.println(dep + " " + gov);
            Dictionary <IndexedWord, IndexedWord> map = new Dictionary <IndexedWord, IndexedWord>();

            map[h.GetNodeByWordPattern("Hughes")] = t.GetNodeByWordPattern("Hughes");
            map[h.GetNodeByWordPattern("Gracia")] = t.GetNodeByWordPattern("Gracia");
            Alignment      alignment = new Alignment(map, 0, string.Empty);
            SemgrexPattern fullPat   = SemgrexPattern.Compile("({}=partnerOne [[<prep_to ({word:married} >nsubjpass {}=partnerTwo)] | [<nsubjpass ({word:married} >prep_to {}=partnerTwo)]]) @ ({} [[>/nn|appos/ ({lemma:/wife|husband|partner/} >/poss/ {}=txtPartner)] | [<poss ({}=txtPartner >/nn|appos/ {lemma:/wife|husband|partner/})]"
                                                              + "| [<nsubj ({$} >> ({word:/wife|husband|partner/} >poss {word:/his|her/} >/nn|appos/ {}=txtPartner))]])");

            fullPat.PrettyPrint();
            SemgrexMatcher fullMat = fullPat.Matcher(h, alignment, t);

            if (fullMat.Find())
            {
                System.Console.Out.WriteLine("woo: " + fullMat.GetMatch().Word());
                System.Console.Out.WriteLine(fullMat.GetNode("txtPartner"));
                System.Console.Out.WriteLine(fullMat.GetNode("partnerOne"));
                System.Console.Out.WriteLine(fullMat.GetNode("partnerTwo"));
            }
            else
            {
                System.Console.Out.WriteLine("boo");
            }
            SemgrexPattern pat3 = SemgrexPattern.Compile("({word:LIKE}=parent >>/aux.*/ {word:/do/}=node)");

            System.Console.Out.WriteLine("pattern is ");
            pat3.PrettyPrint();
            System.Console.Out.WriteLine("tree is ");
            sg.PrettyPrint();
            //checking if ignoring case or not
            SemgrexMatcher mat3 = pat3.Matcher(sg, true);

            if (mat3.Find())
            {
                string parent = mat3.GetNode("parent").Word();
                string node   = mat3.GetNode("node").Word();
                System.Console.Out.WriteLine("Result: parent is " + parent + " and node is " + node);
                NUnit.Framework.Assert.AreEqual(parent, "like");
                NUnit.Framework.Assert.AreEqual(node, "do");
            }
            else
            {
                NUnit.Framework.Assert.Fail();
            }
        }