to alpaca plastic , Today was the gravel perch .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ATS_2 (PP_2 (TO_0 to) (NP_3 (NN_3 alpaca) (JJ_0 plastic))) (COMMA_0 ,)) (NP_0 (NNP_0 Today))) (VP_3 (VBD_1 was) (NP_6 (ATNP_1 (DT_0 the) (NN_3 gravel)) (NN_1 perch)))) (DOT_0 .)))