A gray dog walks on top of a fallen tree in the woods.
A dog is gray.
Gray dog means the dog is gray.
exists e1 s1 s2 x1 x2 x3 x4.(n_wood(x4) & on(e1,x2) & of(x2,x3) & in(x3,x4) & n_tree(x3) & a_fallen(s2) & Theme(s2,x3) & n_top(x2) & Actor(e1,x1) & v_walk(e1) & n_dog(x1) & a_gray(s1) & Theme(s1,x1))
exists s1 x1.(Theme(s1,x1) & a_gray(s1) & n_dog(x1))