(SINV (SINV (QT (DQL ``) (QTC (S (ADVP (RB However)) (COMMA ,) (S (BASENP (PRP we)) (VP (VP (VBP do) (RB n't)) (VP (VB have) (NP (BASENP (DT any) (NN evidence)) (SBAR (S (VP (TO to) (VP (VB show) (SBAR (IN whether) (S (BASENP (DT this) (NN virus)) (VP (VBZ is) (ADJP (ADJP (ADJP (RBR more) (JJ dangerous)) (CC or) (ADJP (RBR less) (JJ dangerous))) (PP (IN than) (BASENP (DT any) (JJ other) (NN H5N1) (NNS viruses)))))))))))))))) (COMMA ,)) (DQR '')) (SINV (VP (VBD said)) (NP (NP (NP (NP (BASENP (NNP State) (NNP Key) (NNP Laboratory)) (PP (IN of) (BASENP (JJ Emerging) (JJ Infectious) (NNPS Diseases)))) (PP (IN at) (NP (NP (BASENP (DT the) (NNP University)) (PP (IN of) (BASENP (NNP Hong) (NNP Kong)))) (PP (IN in) (BASENP (NNP China)))))) (BASENP (NN director))) (COMMA ,) (BASENP (NNP Yi) (NNP Guan))))) (PERIOD .))