Plus four with with cows , discovered .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (CC_0 Plus) (NP_1 (ATNP_2 (NP_4 (CD_0 four)) (PP_2 (IN_0 with) (PP_2 (IN_0 with) (NP_3 (NNS_1 cows))))) (COMMA_0 ,))) (VP_3 (VBD_0 discovered))) (DOT_0 .)))