A player swings at a ball.
A player tries to hit the ball.
The player tries to hit the ball because the player swings at the ball.
exists x1 x2 x3.(a_topic(x1) & at(x1,x3) & n_ball(x3) & n_swing(x1) & of(x1,x2) & n_player(x2))
exists e1 p1 x1 x2.(n_ball(x2) & Topic(e1,p1) & Actor(e1,x1) & v_try(e1) & exists e2.(Theme(e2,x2) & Actor(e2,x1) & v_hit(e2)) & n_player(x1))