Two puppies are playing in the leaves.
The puppies are playing.
Puppies in both.
exists e1 x1 x2.(n_leaf(x2) & in(e1,x2) & Actor(e1,x1) & v_play(e1) & n_puppy(x1) & card_eq_2(x1))
exists e1 x1.(n_puppy(x1) & Actor(e1,x1) & v_play(e1))