the waist-high friend <apostrophe>s down crumpled himself .
(ROOT_0 (S_0 (ATS_3 (NP_1 (ATNP_1 (DT_0 the) (JJ_1 waist-high)) (NN_0 friend)) (VP_4 (ATVP_1 (VBZ_0 <apostrophe>s) (PRT_0 (RP_0 down))) (VP_1 (VBN_0 crumpled) (NP_1 (PRP_0 himself))))) (DOT_0 .)))