(QT (DQL ``) (QTC (S (BASENP (PRP We)) (VP (VBP 've) (VP (VBN had) (NP (NP (BASENP (NN three) (JJ major) (NN killing) (NN winter) (NNS storms)) (PP (IN in) (BASENP (DT the) (JJ last) (NN decade)))) (SBAR (WHNP (WDT that)) (S (VP (VBP have) (VP (ADVP (RB never)) (VP (VBN been) (VP (VBN seen) (ADVP (RB previously)))))))))))) (PERIOD .)) (DQR ''))