that addition were his best teeth . <apostrophe><apostrophe>
(ROOT_0 (S_0 (ATS_2 (ATS_3 (NP_1 (DT_1 that) (NN_2 addition)) (VP_4 (VBD_0 were) (NP_3 (ATNP_0 (PRPDOLLAR_0 his) (JJS_0 best)) (NNS_0 teeth)))) (DOT_0 .)) (APOSTROPHE_0 <apostrophe><apostrophe>)))