herself might have to know the luggage like air .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 herself)) (VP_4 (MD_0 might) (VP_1 (VB_0 have) (S_2 (VP_0 (TO_0 to) (VP_1 (VB_0 know) (NP_3 (NP_5 (DT_0 the) (NN_2 luggage)) (PP_0 (IN_1 like) (NP_2 (NN_3 air)))))))))) (DOT_0 .)))