She think over under the best yawn .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 She)) (VP_4 (ATVP_2 (VB_0 think) (PRT_0 (RP_0 over))) (PP_2 (IN_0 under) (NP_6 (ATNP_1 (DT_0 the) (JJS_0 best)) (NN_1 yawn))))) (DOT_0 .)))