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(ROOT_0 (S_0 (ATS_3 (ATS_4 (ATS_0 (ADVP_0 (RB_0 then)) (ADVP_0 (NP_1 (PRP_0 him)) (RBR_0 more))) (CC_0 and)) (S_1 (NP_1 (ATNP_2 (ATNP_2 (ATNP_2 (ATNP_1 (DT_0 a) (JJ_1 content)) (NNS_0 teeth)) (COMMA_0 ,)) (COMMA_0 ,)) (COMMA_0 ,)) (VP_5 (VBD_0 knew) (ADJP_0 (ATADJP_0 (RB_0 now) (RB_1 back)) (S_2 (NP_1 (PRP_0 They)) (VP_0 (TO_0 to) (VP_1 (ATVP_0 (ADVP_0 (RB_0 then)) (VBD_2 grew)) (SBAR_0 (TO_0 to))))))))) (DOT_0 .)))