Two dogs play catch with a rubber ball.
Two dogs are outdoors.
The dogs are not necessarily outdoors, ,even though they are playing catch.
exists e1 x1 x2 x3 x4.(with(e1,x3) & n_ball(x3) & of(x3,x4) & n_rubber(x4) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_catch(x2) & n_dog(x1) & card_eq_2(x1))
exists p1 x1.(exists x2.((x1 = x2) & n_outdoors(x2)) & n_dog(x1) & card_eq_2(x1))