A dog jumps in the snow.
Some puppies in the winter.
The dogs are puppies.
exists e1 x1 x2.(n_snow(x2) & in(e1,x2) & Actor(e1,x1) & v_jump(e1) & n_dog(x1))
exists x1 x2.(n_winter(x2) & a_topic(x1) & in(x1,x2) & n_puppy(x1))