A dog in the snow.
A puppy is playing in the snow.
Not all dog is older than a puppy, because a dog is in the snow does not mean they are playing.
exists x1 x2.(n_snow(x2) & a_topic(x1) & in(x1,x2) & n_dog(x1))
exists e1 x1 x2.(n_snow(x2) & in(e1,x2) & Actor(e1,x1) & v_play(e1) & n_puppy(x1))