back maybe or Noah slid white .
(ROOT_0 (S_0 (ATS_3 (ATS_4 (ATS_0 (ADVP_0 (RB_0 back)) (ADVP_0 (RB_0 maybe))) (CC_0 or)) (S_1 (NP_0 (NNP_0 Noah)) (VP_5 (VBD_0 slid) (ADJP_0 (JJ_0 white))))) (DOT_0 .)))