Two dogs in a field are running to catch a tennis ball.
Two dogs are chasing their toy
The tennis ball might not be their toy.
exists e1 p1 x1 x2 x3 x4.(Topic(e1,p1) & exists e2 x5 x6.(Theme(e2,x5) & Actor(e2,x1) & v_catch(e2) & n_ball(x5) & of(x5,x6) & n_tennis(x6)) & Actor(e1,x3) & v_run(e1) & in(x3,x4) & n_field(x4) & n_dog(x3) & card_eq_2(x3) & in(x1,x2) & n_field(x2) & n_dog(x1) & card_eq_2(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_chase(e1) & n_toy(x2) & of(x2,x1) & n_thing(x1) & n_dog(x1) & card_eq_2(x1))