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(ROOT_0 (S_0 (ATS_3 (ATS_1 (ATS_2 (PP_2 (IN_0 over) (NP_6 (ATNP_1 (DT_0 the) (JJ_1 back)) (NN_1 sweater))) (COMMA_0 ,)) (NP_0 (PRP_1 she))) (VP_3 (ATVP_3 (ATVP_2 (ATVP_0 (VBD_2 had) (ADVP_0 (RB_0 never))) (VP_1 (VB_0 be) (S_2 (VP_0 (TO_0 to) (VP_1 (VB_0 breathe) (NP_0 (PRP_0 He))))))) (COMMA_0 ,)) (PP_2 (IN_0 on) (NP_3 (NP_5 (DT_0 the) (NN_2 world)) (SBAR_0 (WHNP_0 (WP_0 what)) (S_2 (VP_0 (TO_0 to) (VP_1 (ATVP_0 (VB_0 know) (PRT_0 (RP_0 on))) (SBAR_0 (IN_2 since) (S_1 (NP_0 (PRP_1 he)) (VP_5 (VBP_0 refer)))))))))))) (DOT_0 .)))