public static Annotation getHeadVerb(
Annotation verb, Map<String, AnnotationSet> annotations, String text) {
AnnotationSet verbs = annotations.get(Constants.POS).getContained(verb);
if (verbs == null || verbs.size() < 1) return verb;
Annotation result = verbs.getFirst();
for (Annotation v : verbs) {
if (!SyntaxUtils.isPreposition(v.getType())) {
result = v;
}
}
return result;
}
@Override
public String produceValue(
Annotation np1, Annotation np2, Document doc, Map<Feature, String> featVector) {
boolean sub = GramRole.getValue(np1, doc).equals("SUBJECT");
return sub && SyntaxUtils.isMainClause(np1, doc.getAnnotationSet(Constants.PARSE)) ? "Y" : "N";
}