knees was out was the long yawn of A group . <apostrophe><apostrophe>
(ROOT_0 (S_0 (ATS_2 (ATS_3 (NP_1 (NNS_0 knees)) (VP_4 (ATVP_1 (VBD_1 was) (RB_1 out)) (VP_5 (VBD_1 was) (NP_3 (NP_6 (ATNP_1 (DT_0 the) (JJ_1 long)) (NN_1 yawn)) (PP_0 (IN_1 of) (NP_5 (DT_0 A) (NN_2 group))))))) (DOT_0 .)) (APOSTROPHE_0 <apostrophe><apostrophe>)))