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(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 She)) (VP_4 (VBN_0 heard) (S_2 (VP_0 (TO_0 to) (VP_1 (ATVP_1 (VBD_1 had) (ADVP_0 (DT_1 The))) (VP_1 (VB_0 do) (NP_0 (ATNP_1 (DT_0 a) (JJ_1 back)) (NN_0 knit)))))))) (DOT_0 .)))