a someone pushed no think His friend .
(ROOT_0 (S_0 (ATS_3 (NP_1 (DT_0 a) (NN_2 someone)) (VP_4 (ATVP_1 (VBD_1 pushed) (RB_1 no)) (VP_1 (VB_0 think) (NP_3 (PRPDOLLAR_0 His) (NN_0 friend))))) (DOT_0 .)))