A baseball player prepares to hit the ball.
The baseball player is wearing a uniform.
Not all players are wearing a uniform.
exists e1 p1 x1 x2 x3.(n_ball(x3) & Topic(e1,p1) & Actor(e1,x1) & v_prepare(e1) & exists e2.(Theme(e2,x3) & Actor(e2,x1) & v_hit(e2)) & n_player(x1) & of(x1,x2) & n_baseball(x2))
exists e1 x1 x2 x3.(n_player(x1) & of(x1,x2) & n_baseball(x2) & Theme(e1,x3) & Actor(e1,x1) & v_wear(e1) & n_uniform(x3))