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(ROOT_0 (S_0 (ATS_3 (ATS_1 (ATS_0 (S_1 (NP_0 (NP_5 (DT_0 the) (NN_2 boy)) (PP_1 (IN_1 for) (NP_0 (PRP_1 He)))) (VP_5 (VBD_2 fell) (S_2 (VP_0 (TO_0 to) (VP_1 (VBN_0 been) (NP_1 (PRP_0 They))))))) (COMMA_0 ,)) (NP_0 (DT_0 the) (NN_2 streaming))) (VP_3 (VBD_1 was) (VP_2 (ATVP_4 (VBD_2 was) (NP_1 (ATNP_2 (NP_4 (NP_4 (NNS_1 classes)) (NN_2 group)) (PP_2 (TO_0 to) (NP_3 (NNS_1 trips)))) (COMMA_0 ,))) (PP_2 (IN_0 from) (NP_3 (NNS_1 classes)))))) (DOT_0 .)))