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(ROOT_0 (S_0 (ATS_3 (ATS_4 (ATS_0 (S_1 (NP_0 (DT_0 a) (NN_2 boy)) (VP_5 (VBD_2 had) (S_2 (VP_0 (ATVP_4 (VB_0 stand) (ADVP_0 (RB_0 never))) (ADVP_0 (RB_0 unmistakably)))))) (COMMA_0 ,)) (CC_0 and)) (S_1 (NP_0 (PRP_1 You)) (VP_5 (VBD_0 did) (PRT_0 (RP_0 off))))) (DOT_0 .)))