She was four happened with the structures of the air .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 She)) (VP_4 (VBD_1 was) (NP_2 (NP_4 (CD_0 four)) (VP_2 (VBN_0 happened) (PP_2 (IN_0 with) (NP_3 (NP_6 (DT_0 the) (NNS_1 structures)) (PP_0 (IN_1 of) (NP_2 (DT_0 the) (NN_2 air))))))))) (DOT_0 .)))