/// <summary>Create an Extractor for conjunctions of Distsim classes</summary>
 /// <param name="distSimPath">
 /// File path. If it contains a semi-colon, the material after it is interpreted
 /// as options to the Distsim class (q.v.)
 /// </param>
 /// <param name="left">Which position to start from (normally a non-positive number)</param>
 /// <param name="right">Which position to end with (normally a non-negative number)</param>
 internal ExtractorDistsimConjunction(string distSimPath, int left, int right)
     : base()
 {
     lexicon    = Distsim.InitLexicon(distSimPath);
     this.left  = left;
     this.right = right;
     name       = "ExtractorDistsimConjunction(" + left + ',' + right + ')';
 }
 internal ExtractorDistsim(string distSimPath, int position)
     : base(position, false)
 {
     lexicon = Distsim.InitLexicon(distSimPath);
 }