public override object VisitLine(SpeakParser.LineContext context)
        {
            NameContext    name    = context.name();
            OpinionContext opinion = context.opinion();

            SpeakLine line = new SpeakLine()
            {
                Person = name.GetText(), Text = opinion.GetText().Trim('"')
            };

            Lines.Add(line);

            return(line);
        }