List<CoreLabel> sent = s.get(CoreAnnotations.TokensAnnotation.class);
Tree tree = s.get(TreeCoreAnnotations.TreeAnnotation.class);
SemanticGraph dependency = s.get(SemanticGraphCoreAnnotations.CollapsedDependenciesAnnotation.class);
TregexPattern tgrepPattern = enumerationsMentionPattern;
TregexMatcher matcher = tgrepPattern.matcher(tree);
Map<IntPair, Tree> spanToMentionSubTree = Generics.newHashMap();
while (matcher.find()) {
matcher.getMatch();
Tree m1 = matcher.getNode("m1");
Tree m2 = matcher.getNode("m2");