for (int i = 0; i < raise.length(); i++) prunedPunctuation.add(raise.get(i));
  public Sexp raisePunctuation(Sexp tree) {    /*    leftRaise.clear();    rightRaise.clear();    raisePunctuation(tree, leftRaise, rightRaise);    */    raise.clear();    raisePunctuation(tree, raise, Constants.LEFT);    raise.clear();    raisePunctuation(tree, raise, Constants.RIGHT);    return tree;  }