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(ROOT_0 (S_0 (ATS_3 (ATS_4 (ATS_0 (ATS_0 (S_1 (NP_0 (PRP_1 he)) (VP_5 (ATVP_3 (VBD_0 happened) (NP_6 (ATNP_1 (DT_0 the) (NN_3 inside)) (NN_1 knoll))) (PP_0 (IN_1 like) (NP_2 (ATNP_0 (JJ_0 green) (JJ_1 strong)) (NP_4 (JJ_1 able) (NNS_1 surfers)))))) (COMMA_0 ,)) (COMMA_0 ,)) (CC_0 and)) (S_1 (NP_0 (DT_1 that) (NN_2 group)) (VP_5 (ATVP_3 (VBD_2 spit) (PRT_0 (RP_0 up))) (PP_0 (IN_1 than) (NP_2 (NN_3 boy)))))) (DOT_0 .)))