A catcher and a pitcher of the same team talk on the pitcher's mound.
Two teammates are arguing about the game.
two teammates does not mean its a  catcher and a pitcher. Talking on the pitcher's mound does not mean that they are arguing
exists s1 s2 x1 x2 x3 x4 x5.(n_talk(x3) & of(x3,x4) & n_team(x4) & a_same(s2) & Theme(s2,x3) & a_topic(s1) & subset_of(x2,s1) & of(x2,x3) & on(x3,x5) & n_mound(x5) & of(x5,x2) & n_pitcher(x2) & n_pitcher(x2) & subset_of(x1,s1) & n_catcher(x1))
exists e1 x1 x2.(n_game(x2) & about(e1,x2) & Actor(e1,x1) & v_argue(e1) & n_teammate(x1) & card_eq_2(x1))