on his your plastic cheeks , <apostrophe><apostrophe>
(ROOT_0 (S_0 (ATS_2 (PP_2 (IN_0 on) (NP_3 (PRPDOLLAR_0 his) (NP_4 (ATNP_0 (PRPDOLLAR_0 your) (JJ_0 plastic)) (NNS_0 cheeks)))) (COMMA_0 ,)) (APOSTROPHE_0 <apostrophe><apostrophe>)))