She assigned to <apostrophe>s so in muscle .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 She)) (VP_4 (VBN_0 assigned) (S_2 (VP_0 (TO_0 to) (VP_1 (ATVP_2 (VBZ_0 <apostrophe>s) (ADVP_0 (RB_0 so))) (PP_1 (IN_1 in) (NP_2 (NN_3 muscle)))))))) (DOT_0 .)))