The gray and white dog is walking on gravel.
the child was happy`
Just because the child was happy does not mean there was a gray and white dog.
exists e1 s1 s2 x1 x2.(n_dog(x1) & a_white(s2) & Theme(s2,x1) & a_gray(s1) & Theme(s1,x1) & on(e1,x2) & n_gravel(x2) & Actor(e1,x1) & v_walk(e1))
(x)