A dog runs on concrete holding a blue ball.
The dog is returning a ball to its owner.
There is nothing to indicate that the dog is returning a ball to its owner.
exists e1 e2 s1 x1 x2 x3.(for(e1,e2) & Theme(e2,x3) & Actor(e2,x1) & v_hold(e2) & n_ball(x3) & a_blue(s1) & Theme(s1,x3) & on(e1,x2) & n_concrete(x2) & Actor(e1,x1) & v_run(e1) & n_dog(x1))
exists e1 x1 x2 x3.(n_owner(x3) & of(x3,x1) & n_thing(x1) & n_dog(x1) & to(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_return(e1) & n_ball(x2))