(QT (DQL ``) (QTC (SBARQ (WHNP (WDT Which)) (SQ (VP (VBD was) (ADJP (ADJP (ADJP (RBS least) (JJ beneficial)) (CONJP (COMMA ,) (CC or)) (ADJP (RB even) (JJ harmful))) (COMMA ,) (PP (TO to) (BASENP (DT this) (NN riding))))))) (PERIOD ?)) (DQR ''))