A baseball player prepares to swing the bat at a pitched ball.
A baseball player is up to bat in a baseball game.
The baseball player is  preparing to bat, he is not up yet.
exists e1 p1 x1 x2 x3.(n_bat(x3) & Topic(e1,p1) & Actor(e1,x1) & v_prepare(e1) & exists e2 s1 x4.(at(e2,x4) & n_ball(x4) & a_pitched(s1) & Theme(s1,x4) & Theme(e2,x3) & Actor(e2,x1) & v_swing(e2)) & n_player(x1) & of(x1,x2) & n_baseball(x2))
exists s1 x1 x2 x3 x4 x5.(to(s1,x3) & in(x3,x4) & n_game(x4) & of(x4,x5) & n_baseball(x5) & n_bat(x3) & Theme(s1,x1) & a_up(s1) & n_player(x1) & of(x1,x2) & n_baseball(x2))