A dog walks on rocks covered by snow
The dog is in a rocky, snowy forest.
Not all rocks are in a rocky, snowy forest.
exists e1 e2 x1 x2 x3 x4.(on(e1,x2) & Actor(e2,x4) & n_snow(x4) & Theme(e2,x3) & v_cover(e2) & (x2 = x3) & n_rock(x2) & Actor(e1,x1) & v_walk(e1) & n_dog(x1))
exists p1 x1.(n_dog(x1) & exists s1 s2 s3 x2.(in(x1,x2) & n_forest(x2) & a_snowy(s3) & Theme(s3,x2) & a_,(s2) & Theme(s2,x2) & a_rocky(s1) & Theme(s1,x2)))