n<apostrophe>t the guy stop back of four , of one fleas .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (RB_1 n<apostrophe>t) (NP_5 (DT_0 the) (NN_2 guy))) (VP_3 (ATVP_3 (ATVP_2 (ATVP_0 (VB_0 stop) (PRT_0 (RP_0 back))) (PP_0 (IN_1 of) (NP_2 (CD_0 four)))) (COMMA_0 ,)) (PP_1 (IN_1 of) (NP_2 (CD_0 one) (NNS_0 fleas))))) (DOT_0 .)))