They do to and was The cows .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 They)) (VP_4 (ATVP_1 (ATVP_2 (VBP_0 do) (S_2 (VP_0 (TO_0 to)))) (CC_0 and)) (VP_5 (VBD_0 was) (NP_6 (DT_0 The) (NNS_1 cows))))) (DOT_0 .)))