Two baseball players including a pitcher on the mound.
A pitcher stands on the mound opposite another player.
Two players are playing baseball; one is on the mound and the other is opposite the pitcher.
exists x1 x2 x3 x4.(n_mound(x4) & a_topic(x1) & include(x1,x3) & on(x3,x4) & n_pitcher(x3) & n_player(x1) & of(x1,x2) & n_baseball(x2) & card_eq_2(x1))
exists e1 x1 x2 x3 x4.(n_opposite(x2) & of(x2,x3) & n_mound(x3) & on(e1,x2) & n_player(x4) & rel(x2,x4) & Actor(e1,x1) & v_stand(e1) & n_pitcher(x1))