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(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 She)) (VP_4 (VBD_1 was) (VP_2 (ATVP_4 (VBD_2 tried) (NP_1 (PRP_0 It))) (PP_2 (ATPP_0 (ADVP_0 (RB_1 there) (NP_4 (JJ_1 back) (NNS_1 classes))) (IN_2 if)) (APOSTROPHE_0 <apostrophe><apostrophe>))))) (DOT_0 .)))