Four dogs are playing on a field covered in snow.
The dogs are all asleep in their dog houses.
The dogs cannot play if they are asleep.
exists e1 e2 x1 x2 x3 x4.(on(e1,x2) & in(e2,x4) & n_snow(x4) & Theme(e2,x3) & v_cover(e2) & (x2 = x3) & n_field(x2) & Actor(e1,x1) & v_play(e1) & n_dog(x1) & card_eq_4(x1))
exists s1 s2 x1 x2.(n_house(x2) & of(x2,x1) & n_dog(x1) & n_dog(x1) & of(x2,x1) & n_thing(x1) & in(s1,x2) & a_all(s2) & Manner(s1,s2) & Theme(s1,x1) & a_asleep(s1))