Three dogs playing in the deep snow outside.
The dogs are locked into fierce paw to paw combat.
Dogs that are locked into fierce combat are not playing with each other.
exists e1 s1 x1 x2 x3 x4.(n_outside(x3) & of(x3,x4) & n_snow(x4) & a_deep(s1) & Theme(s1,x3) & a_topic(x1) & in(e1,x3) & Actor(e1,x2) & v_play(e1) & (x1 = x2) & n_dog(x1) & card_eq_3(x1))
exists e1 p1 s1 x1 x2.(n_dog(x1) & into(e1,x2) & Topic(x2,p1) & exists e2 x3.(Theme(e2,x3) & Actor(e2,x2) & v_paw(e2) & n_combat(x3)) & n_paw(x2) & a_fierce(s1) & Theme(s1,x2) & Theme(e1,x1) & v_lock(e1))