/** Called by {@link LGAsk#generateQuestionFromAsk(DEPTree, String)}. */
private DEPNode getNode(DEPNode head, String form, String lemma, String pos, String deprel, String label)
{
DEPNode aux = new DEPNode(0, form, lemma, pos, new DEPFeat());
aux.initXHeads();
aux.initSHeads();
aux.setHead(head, deprel);
if (label != null) aux.addSHead(head, label);