to his giggles , his trips did .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ATS_2 (PP_2 (TO_0 to) (NP_3 (PRPDOLLAR_0 his) (NNS_0 giggles))) (COMMA_0 ,)) (NP_0 (PRPDOLLAR_0 his) (NNS_0 trips))) (VP_3 (VBD_0 did))) (DOT_0 .)))