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(ROOT_0 (S_0 (ATS_3 (NP_1 (NP_1 (PRP_1 he)) (SBAR_0 (WHNP_0 (WP_0 what)) (S_1 (NP_1 (ATNP_1 (DT_0 The) (JJ_1 strong)) (NN_0 api)) (VP_5 (VBD_0 warmed) (ADJP_0 (JJ_0 able)))))) (VP_4 (VBN_0 why) (PP_0 (IN_1 over) (NP_5 (NP_4 (ATNP_0 (JJ_0 white) (NN_0 knit)) (NNS_0 teeth)) (NN_2 powdery))))) (DOT_0 .)))