He warmed up and it had to Trailing over his parents .
(ROOT_0 (S_0 (ATS_3 (ATS_4 (S_1 (NP_0 (PRP_1 He)) (VP_5 (VBD_0 warmed) (PRT_0 (RP_0 up)))) (CC_0 and)) (S_1 (NP_0 (PRP_1 it)) (VP_5 (VBD_2 had) (S_2 (VP_0 (TO_0 to) (VP_1 (ATVP_0 (VBG_0 Trailing) (PRT_0 (RP_0 over))) (NP_3 (PRPDOLLAR_0 his) (NNS_0 parents)))))))) (DOT_0 .)))