a black dog digging through the snow.
The puppy is playing outside.
The puppy is a black dog.  The puppy is digging through the snow.
exists e1 s1 x1 x2 x3.(n_snow(x3) & a_topic(x1) & through(e1,x3) & Actor(e1,x2) & v_dig(e1) & (x1 = x2) & n_dog(x1) & a_black(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_puppy(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_outside(x2))