(QT (DQL ``) (QTC (S (SBAR (WHADVP (WRB When)) (S (BASENP (DT a) (NN meta-analysis)) (VP (VBZ says) (QT (DQL `) (QTC (INTJ (UH yes)) (COMMA ,)) (DQR '))))) (S (NP (EX there)) (VP (MD should) (VP (ADVP (RB no) (RBR longer)) (VP (VB be) (NP (BASENP (DT any) (NN controversy)) (PP (IN about) (SBAR (IN whether) (S (BASENP (DT the) (NN treatment)) (VP (VBZ works))))))))))) (PERIOD .)) (DQR ''))