They never forced friend structures . <apostrophe><apostrophe>
(ROOT_0 (S_0 (ATS_2 (ATS_3 (ATS_1 (NP_1 (PRP_0 They)) (ADVP_0 (RB_0 never))) (VP_3 (VBD_0 forced) (NP_3 (NN_0 friend) (NNS_1 structures)))) (DOT_0 .)) (APOSTROPHE_0 <apostrophe><apostrophe>)))