/**
* This is the code we used to deduce voice in Spanish (and Catalan) for CoNLL 2009, however we
* didn't actually use it in the final submission. I think it was because we never saw any real
* improvement. I'm not sure it's proper though, my Spanish skills are rather non-existant. I just
* put it here for future reference.
*
* @param pred the predicate
* @return true if the predicate (verb) is in passive tense, false otherwise
*/
private boolean isPassive(Predicate pred) {
for (Word c : pred.getChildren())
if ((c.getLemma().equals("estar") || c.getLemma().equals("ser"))
&& c.getFeats().contains("auxiliary")) return true;
return false;
}
