them The was never while he discovered Did let <apostrophe>m aside higher .
(ROOT_0 (S_0 (ATS_3 (NP_1 (NP_1 (PRP_0 them)) (SBAR_0 (S_1 (NP_0 (DT_1 The)) (VP_5 (VBD_1 was) (SBAR_0 (ATSBAR_0 (RB_0 never) (IN_2 while)) (S_1 (NP_0 (PRP_1 he)) (VP_5 (ATVP_1 (VBD_1 discovered) (ADVP_0 (RB_0 Did))) (VP_1 (VB_0 let))))))))) (VP_4 (VBP_0 <apostrophe>m) (NP_6 (RB_1 aside) (JJR_0 higher)))) (DOT_0 .)))