one low parents should be up . <apostrophe><apostrophe>
(ROOT_0 (S_0 (ATS_2 (ATS_3 (NP_1 (ATNP_0 (CD_0 one) (JJ_1 low)) (NNS_0 parents)) (VP_4 (MD_0 should) (VP_1 (VB_0 be) (PRT_0 (RP_0 up))))) (DOT_0 .)) (APOSTROPHE_0 <apostrophe><apostrophe>)))