them grew it to find stars , of trips teaching up .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 them)) (VP_4 (VBD_2 grew) (S_2 (NP_1 (PRP_1 it)) (VP_0 (TO_0 to) (VP_1 (ATVP_3 (ATVP_2 (VB_0 find) (NP_4 (NNS_1 stars))) (COMMA_0 ,)) (PP_0 (IN_1 of) (NP_2 (NP_4 (NNS_1 trips)) (VP_2 (VBG_0 teaching) (PRT_0 (RP_0 up)))))))))) (DOT_0 .)))