and It jerked really , sitting Off someone tall .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (CC_0 and) (NP_1 (PRP_0 It))) (VP_3 (ATVP_3 (ATVP_2 (VBN_0 jerked) (ADVP_0 (RB_0 really))) (COMMA_0 ,)) (S_2 (VP_0 (VBG_0 sitting) (PP_2 (IN_0 Off) (NP_3 (NN_3 someone) (JJ_0 tall))))))) (DOT_0 .)))