They were on had warily the dead yawn .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 They)) (VP_4 (ATVP_3 (VBD_2 were) (PRT_0 (RP_0 on))) (S_2 (VP_0 (ATVP_1 (VBD_1 had) (ADVP_0 (RB_0 warily))) (NP_6 (ATNP_1 (DT_0 the) (JJ_1 dead)) (NN_1 yawn)))))) (DOT_0 .)))