A pitbull dog chasing a red ball.
The pitbull wanted to play catch and went after the red ball.
Just because a pitbull dog is chasing a red ball doesn't mean that the pitbull wanted to play catch.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x4) & Actor(e1,x3) & v_chase(e1) & n_ball(x4) & a_red(s1) & Theme(s1,x4) & (x1 = x3) & n_dog(x1) & of(x1,x2) & n_pitbull(x2))
exists e2 e1 p1 s1 s2 x1 x2 x3.(n_ball(x3) & a_red(s2) & Theme(s2,x3) & n_pitbull(x1) & n_ball(x2) & a_red(s1) & Theme(s1,x2) & after(e2,x3) & Actor(e2,x1) & v_go(e2) & after(e1,x2) & Topic(e1,p1) & Actor(e1,x1) & v_want(e1) & exists e3 x4.(Theme(e3,x4) & Actor(e3,x1) & v_play(e3) & n_catch(x4)))