He heard while that <apostrophe>m the deserted yawn never .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 He)) (VP_4 (VBD_0 heard) (SBAR_0 (IN_2 while) (S_1 (NP_0 (DT_1 that)) (VP_5 (ATVP_4 (VBP_0 <apostrophe>m) (NP_6 (ATNP_1 (DT_0 the) (JJ_1 deserted)) (NN_1 yawn))) (ADVP_0 (RB_0 never))))))) (DOT_0 .)))