hours could stand what yawn teeth the kind .
(ROOT_0 (S_0 (ATS_3 (NP_1 (NNS_0 hours)) (VP_4 (MD_0 could) (VP_1 (VB_0 stand) (SBAR_0 (WHNP_0 (WP_0 what)) (S_2 (NP_1 (NN_1 yawn) (NNS_0 teeth)) (NP_5 (DT_0 the) (NN_2 kind))))))) (DOT_0 .)))