under about a rounded option , The turned a Frozen then back all : the wall refer .
(ROOT_0 (S_0 (ATS_3 (ATS_4 (S_1 (ATS_1 (ATS_2 (PP_2 (IN_0 under) (PP_2 (IN_0 about) (NP_6 (ATNP_1 (DT_0 a) (JJ_1 rounded)) (NN_1 option)))) (COMMA_0 ,)) (NP_0 (DT_1 The))) (VP_3 (ATVP_4 (VBD_2 turned) (NP_1 (NP_5 (DT_0 a) (NN_2 Frozen)) (ADJP_0 (RB_0 then) (JJ_0 back)))) (ADVP_0 (DT_1 all)))) (COLON_0 :)) (S_1 (NP_0 (DT_0 the) (NN_2 wall)) (VP_5 (VBP_0 refer)))) (DOT_0 .)))