He did n<apostrophe>t discovered the skeletal right .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 He)) (VP_4 (ATVP_1 (VBD_0 did) (RB_1 n<apostrophe>t)) (VP_5 (VBD_0 discovered) (NP_6 (ATNP_1 (DT_0 the) (JJ_1 skeletal)) (NN_1 right))))) (DOT_0 .)))