They since halt began find up the pink world .
(ROOT_0 (S_0 (ATS_3 (NP_1 (NP_1 (PRP_0 They)) (SBAR_0 (IN_2 since) (S_1 (NP_0 (NN_2 halt)) (VP_5 (VBD_1 began))))) (VP_4 (ATVP_0 (VB_0 find) (PRT_0 (RP_0 up))) (NP_6 (ATNP_1 (DT_0 the) (JJ_1 pink)) (NN_1 world)))) (DOT_0 .)))