They had not than the air think teaching to help they .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 They)) (VP_4 (ATVP_1 (VBD_1 had) (ADVP_0 (RB_1 not) (PP_0 (IN_1 than) (NP_5 (DT_0 the) (NN_2 air))))) (VP_1 (VB_0 think) (VP_2 (VBG_0 teaching) (S_2 (VP_0 (TO_0 to) (VP_1 (VB_0 help) (NP_0 (PRP_1 they))))))))) (DOT_0 .)))