Dog chases ball in water.
The dog grabs the ball.
He could have still been far away from the ball instead of being close enough where he grabs it.
exists e1 x1 x2 x3.(ne_nam_dog(x1) & in(e1,x3) & n_water(x3) & Theme(e1,x2) & Actor(e1,x1) & v_chase(e1) & n_ball(x2))
exists e1 x1 x2.(n_ball(x2) & n_dog(x1) & Theme(e1,x2) & Actor(e1,x1) & v_grab(e1))