She could back was back like them , of clouds .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 She)) (VP_4 (ATVP_1 (MD_0 could) (ADVP_0 (RB_0 back))) (VP_5 (ATVP_3 (ATVP_2 (ATVP_0 (VBD_1 was) (ADVP_0 (RB_0 back))) (PP_1 (IN_1 like) (NP_0 (PRP_0 them)))) (COMMA_0 ,)) (PP_0 (IN_1 of) (NP_5 (NNS_1 clouds)))))) (DOT_0 .)))