I listened to think was n<apostrophe>t to his cheeks .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 I)) (VP_4 (VBN_0 listened) (S_2 (VP_0 (TO_0 to) (VP_1 (VB_0 think) (SBAR_0 (S_2 (VP_0 (ATVP_4 (VBD_1 was) (RB_1 n<apostrophe>t)) (PP_2 (TO_0 to) (NP_3 (PRPDOLLAR_0 his) (NNS_0 cheeks))))))))))) (DOT_0 .)))