A dog is playing fetch with a ball.
A dog is running to get the ball.
If the dog is playing fetch, he is running after the ball.
exists e1 s1 x1 x2.(with(e1,x2) & n_ball(x2) & a_fetch(s1) & Manner(e1,s1) & Actor(e1,x1) & v_play(e1) & n_dog(x1))
exists e1 p1 x1 x2 x3.(n_ball(x3) & Topic(e1,p1) & exists e2.(Theme(e2,x3) & Actor(e2,x1) & v_get(e2)) & Actor(e1,x2) & v_run(e1) & n_dog(x2) & n_dog(x1))