who it stop around , <apostrophe><apostrophe>
(ROOT_0 (S_0 (ATS_2 (SBAR_0 (WHNP_0 (WP_0 who)) (S_1 (NP_0 (PRP_1 it)) (VP_5 (VB_0 stop) (PRT_0 (RP_0 around))))) (COMMA_0 ,)) (APOSTROPHE_0 <apostrophe><apostrophe>)))