(QT (DQL ``) (QTC (S (BASENP (PRP They)) (VP (VBP have) (S (VP (TO to) (VP (VP (VB stay) (PP (IN in) (BASENP (NN school)))) (CC and) (VP (VB pass) (BASENP (PRPD their) (NNS classes)))))))) (PERIOD .)) (DQR ''))