A gray dog runs in a grassy field.
The dog is gray
"Dog is gray" is a rephrasing of "gray dog."
exists e1 s1 s2 x1 x2.(in(e1,x2) & n_field(x2) & a_grassy(s2) & Theme(s2,x2) & Actor(e1,x1) & v_run(e1) & n_dog(x1) & a_gray(s1) & Theme(s1,x1))
exists s1 x1.(n_dog(x1) & Theme(s1,x1) & a_gray(s1))