A baseball player, with the catcher and umpire shown behind him, is about to hit the ball.
The umpire is standing in front of the player.
The umpire cannot be standing behind and in front of the baseball player.
exists e1 p1 s1 x1 x2 x3 x4 x5 x6 x7.(n_ball(x7) & n_male(x4) & n_umpire(x5) & n_catcher(x4) & subset_of(x5,x3) & subset_of(x4,x3) & Topic(s1,p1) & Actor(s1,x1) & a_about(s1) & exists e2.(Theme(e2,x7) & Actor(e2,x1) & v_hit(e2)) & with(x1,x3) & behind(e1,x4) & Theme(e1,x6) & v_show(e1) & (x3 = x6) & n_player(x1) & of(x1,x2) & n_baseball(x2))
exists e1 x1 x2 x3.(n_player(x3) & n_umpire(x1) & in(e1,x2) & of(x2,x3) & n_front(x2) & Actor(e1,x1) & v_stand(e1))