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(ROOT_0 (S_0 (ATS_3 (ATS_1 (ATS_2 (PP_2 (IN_0 At) (NP_3 (NP_5 (DT_0 a) (NN_2 group)) (SBAR_0 (WHADVP_0 (WRB_0 how)) (S_1 (NP_0 (PRP_1 she)) (VP_5 (MD_0 <apostrophe>ll) (VP_1 (VB_0 be) (ADJP_0 (JJ_0 happy-go-lucky)))))))) (COMMA_0 ,)) (NP_0 (PRP_1 he))) (VP_3 (VBD_0 knew))) (DOT_0 .)))