(QT (DQL ``) (QTC (S (NP (BASENP (NNS Statements)) (PP (IN by) (BASENP (JJ veterinary) (NNS surgeons)))) (VP (VBP are) (NP (BASENP (DT a) (JJ significant) (NN part)) (PP (IN of) (BASENP (DT the) (NN investigation)))))) (PERIOD .)) (DQR ''))