of an air would back have not be going really .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (PP_1 (IN_1 of)) (NP_5 (DT_0 an) (NN_2 air))) (VP_3 (ATVP_1 (MD_0 would) (ADVP_0 (RB_0 back))) (VP_5 (ATVP_1 (VBP_0 have) (RB_1 not)) (VP_1 (VB_0 be) (VP_2 (VBG_0 going) (ADVP_0 (RB_0 really))))))) (DOT_0 .)))