the schoolhouse idiom off the blackened feathers tried to know mounds .
(ROOT_0 (S_0 (ATS_3 (NP_1 (NP_6 (ATNP_1 (DT_0 the) (JJ_1 schoolhouse)) (NN_1 idiom)) (PP_0 (IN_1 off) (NP_2 (ATNP_0 (DT_0 the) (VBN_0 blackened)) (NP_4 (NNS_1 feathers))))) (VP_4 (VBD_2 tried) (S_2 (VP_0 (TO_0 to) (VP_1 (VB_0 know) (NP_3 (NNS_1 mounds))))))) (DOT_0 .)))