A dog walks through the snow.
A dog is eating snow.
A dog walking through the snow doesn't indicate it is eating snow
exists e1 x1 x2.(n_snow(x2) & through(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_dog(x1))
exists p1 x1.(exists s1 x2.((x1 = x2) & n_snow(x2) & a_eating(s1) & Theme(s1,x2)) & n_dog(x1))