The two dogs are playing in the yard.
The two dogs are outside.
Dogs playing in the yard have to be outside since yards are outside.
exists e1 x1 x2.(n_yard(x2) & n_dog(x1) & card_eq_2(x1) & in(e1,x2) & Actor(e1,x1) & v_play(e1))
exists s1 x1.(n_dog(x1) & card_eq_2(x1) & Theme(s1,x1) & a_outside(s1))