public ArrayList<String> getNounsFromSentence(String sentence) {
    ArrayList<TaggedWord> tw = parseSentenceTD(sentence);
    ArrayList<String> nouns = new ArrayList<String>();

    for (TaggedWord t : tw) {
      if (t.tag().startsWith("N")) {
        nouns.add(t.value());
      }
    }

    return nouns;
  }