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(ROOT_0 (S_0 (ATS_2 (SBAR_0 (ATSBAR_0 (RB_0 always) (IN_2 because)) (S_1 (ATS_1 (ATS_2 (PP_2 (IN_0 in) (NP_5 (DT_0 a) (NN_2 boy))) (COMMA_0 ,)) (NP_0 (PRP_1 he))) (VP_3 (ATVP_3 (VBD_2 was) (PRT_0 (RP_0 up))) (PP_0 (IN_1 of) (NP_2 (DT_0 the) (NNS_1 boulders)))))) (COMMA_0 ,)) (APOSTROPHE_0 <apostrophe><apostrophe>)))