code: public Tree getStanfordContituencyTree() {
          TreeFactory tf = new LabeledScoredTreeFactory();
          StringReader r = new StringReader(getParseText());
          TreeReader tr = new PennTreeReader(r, tf);
          try {
              return tr.readTree();
          } catch (IOException e) {
              throw new RuntimeException("Error: IOException should not be thrown by StringReader");
          }
      }
docs: /* (non-Javadoc)
  @see edu.jhu.hltcoe.sp.data.depparse.AgigaSentence#getStanfordContituencyTree()