I spit up bag by a everything .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 I)) (VP_4 (ATVP_3 (VBD_2 spit) (PRT_0 (RP_0 up))) (NP_3 (NP_5 (NN_3 bag)) (PP_0 (IN_1 by) (NP_5 (DT_0 a) (NN_2 everything)))))) (DOT_0 .)))