(QT (DQL ``) (QTC (S (BASENP (PRP I)) (VP (VBP am) (ADJP (JJ afraid) (SBAR (S (BASENP (PRP I)) (VP (VP (VBP am) (ADJP (JJ unable) (S (VP (TO to) (VP (VB comment) (ADVP (RB further))))))) (PP (IN until) (NP (BASENP (NN sentence)) (PP (IN on) (BASENP (DT the) (NN 14) (NNP September))))))))))) (PERIOD .)) (DQR ''))