code: public List<Tree> getTreesWithLabels(String sentences, String label, List<String> labels) throws Exception {
          List<Tree> ret = new ArrayList<>();
          List<Tree> baseTrees = parser.getTreesWithLabels(sentences, label, labels);
          for (Tree t : baseTrees) {
              Tree binarized = treeTransformer.transform(t);
              binarized = cnfTransformer.transform(binarized);
              ret.add(binarized);
          }
  
          return ret;
  
      }
docs: Vectorizes the passed in sentences
  @param sentences the sentences to convert to trees
  @param label the label for the sentence
  @param labels all of the possible labels for the trees
  @return a list of trees pre converted with CNF and
  binarized and word vectors at the leaves of the trees
  
  @throws Exception