I narrowed , and he heard just n<apostrophe>t muffled .
(ROOT_0 (S_0 (ATS_3 (ATS_4 (ATS_0 (S_1 (NP_0 (PRP_1 I)) (VP_5 (VBD_1 narrowed))) (COMMA_0 ,)) (CC_0 and)) (S_1 (NP_0 (PRP_1 he)) (VP_5 (VBD_0 heard) (ADJP_0 (ATADJP_0 (RB_0 just) (RB_1 n<apostrophe>t)) (JJ_1 muffled))))) (DOT_0 .)))