Noah spit saw on a boy when her giggles find out .
(ROOT_0 (S_0 (ATS_3 (NP_1 (NNP_0 Noah)) (VP_4 (VBD_2 spit) (S_2 (VP_0 (ATVP_4 (VBD_2 saw) (PP_2 (IN_0 on) (NP_5 (DT_0 a) (NN_2 boy)))) (SBAR_0 (WHADVP_0 (WRB_0 when)) (S_1 (NP_0 (PRPDOLLAR_0 her) (NNS_0 giggles)) (VP_5 (VB_0 find) (PRT_0 (RP_0 out))))))))) (DOT_0 .)))