(QT (DQL ``) (QTC (S (S (BASENP (PRP We)) (VP (VBP have) (NP (NN proof) (SBAR (IN that) (S (BASENP (PRP we)) (VP (MD can) (VP (VP (VB kill) (BASENP (NN leukemia) (NN stem) (NNS cells))) (PP (IN with) (NP (BASENP (DT this) (NN type)) (PP (IN of) (BASENP (NN agent)))))))))))) (CONJP (COMMA ,) (CC and)) (S (BASENP (DT that)) (VP (VBZ is) (BASENP (JJ good) (NN news))))) (PERIOD .)) (DQR ''))