never staying four legs , <apostrophe><apostrophe>
(ROOT_0 (S_0 (ATS_2 (SBAR_0 (S_2 (VP_0 (ATVP_0 (ADVP_0 (RB_0 never)) (VBG_0 staying)) (NP_2 (CD_0 four) (NNS_0 legs))))) (COMMA_0 ,)) (APOSTROPHE_0 <apostrophe><apostrophe>)))