A baseball player prepares to swing the bat at a pitched ball.
A baseball player is getting ready to hit a ball.
Prepares to swing the bat is a rephrasing of is getting ready to hit a ball.
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 e1 p1 x1 x2.(exists p2 s1.(Topic(s1,p2) & Actor(s1,x1) & a_ready(s1) & exists e2 x3.(Theme(e2,x3) & Actor(e2,x1) & v_hit(e2) & n_ball(x3))) & Topic(e1,p1) & Actor(e1,x1) & v_get(e1) & n_player(x1) & of(x1,x2) & n_baseball(x2))