/**
* prune existing 'constit' annotations on 'span' of 'doc' using information from a part-of-speech
* tagger. Words are assumed, on entry, to have multiple 'constit' annotations from dictionary
* look-up, reflecting the POS ambiguity of the words; this ambiguity will be reduced using a
* tagger. Words are first assigned 'tagger' annotations with feature cat = a Penn tag. This
* information is then used to remove 'constit' annotations not consistent with the Penn tag.
*/
public void prune(Document doc, Span span) {
annotate(doc, span, "tagger");
Retagger.pruneConstit(doc, span);
}
