He tossed to stand up his friend .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 He)) (VP_4 (VBD_2 tossed) (S_2 (VP_0 (TO_0 to) (VP_1 (ATVP_0 (VB_0 stand) (PRT_0 (RP_0 up))) (NP_3 (PRPDOLLAR_0 his) (NN_0 friend))))))) (DOT_0 .)))