I fixed not rattle over . he should come assigned to stepping up if They together howled .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ATS_2 (ATS_3 (NP_1 (PRP_1 I)) (VP_4 (ATVP_1 (VBD_0 fixed) (RB_1 not)) (VP_1 (VB_0 rattle) (PRT_0 (RP_0 over))))) (DOT_0 .)) (NP_0 (PRP_1 he))) (VP_3 (MD_0 should) (VP_1 (VB_0 come) (VP_2 (VBN_0 assigned) (S_2 (VP_0 (TO_0 to) (VP_1 (ATVP_0 (VBG_0 stepping) (PRT_0 (RP_0 up))) (SBAR_0 (IN_2 if) (S_1 (ATS_1 (NP_1 (PRP_0 They)) (ADVP_0 (RB_0 together))) (VP_3 (VBD_0 howled))))))))))) (DOT_0 .)))