that parents care discovered on world off .
(ROOT_0 (S_0 (ATS_3 (NP_1 (DT_1 that) (NNS_0 parents)) (VP_4 (ATVP_0 (VB_0 care) (S_2 (VP_0 (VBD_0 discovered) (PP_1 (IN_1 on) (NP_2 (NN_3 world)))))) (PRT_0 (RP_0 off)))) (DOT_0 .)))