Two puppies are playing in the green grass.
The puppies are in a cage.
If puppies are in cage, cannot be playing in grass.
exists e1 s1 x1 x2.(n_grass(x2) & a_green(s1) & Theme(s1,x2) & in(e1,x2) & Actor(e1,x1) & v_play(e1) & n_puppy(x1) & card_eq_2(x1))
exists p1 x1.(n_puppy(x1) & exists x2.(in(x1,x2) & n_cage(x2)))