all teeth could tell the valley of gravel .
(ROOT_0 (S_0 (ATS_3 (NP_1 (DT_1 all) (NNS_0 teeth)) (VP_4 (MD_0 could) (VP_1 (VB_0 tell) (NP_3 (NP_5 (DT_0 the) (NN_2 valley)) (PP_0 (IN_1 of) (NP_5 (NN_3 gravel))))))) (DOT_0 .)))