docs: private float getWordScore(DependencyTree t1, DependencyTree t2){
  		float score=0;
  		if(wg!=null){
  			if(wg.isSym(t1.word, t2.word))
  				score = 1;
  			else if(wg.isAntonym(t1.word, t2.word))
  				score = -1;
  		}else if(t1.word.equals(t2.word))
  			score = 1;
  		return score;
  	}