(QT (DQL ``) (QTC (S (BASENP (PRP That)) (VP (VBD was) (VP (VBN confirmed) (PP (IN by) (NP (NP (BASENP (NN research)) (PP (IN in) (BASENP (NNP New) (NNP Zealand)))) (SBAR (WHNP (WDT which)) (S (VP (VBD supported) (NP (BASENP (DT the) (NN effectiveness)) (PP (IN of) (BASENP (JJ pictorial) (NN labeling)))))))))))) (PERIOD .)) (DQR ''))