A man walking a gray poodle is walking past a billboard with a cow on it.
The man is walking his grey cat.
The contraction in these sentences is not only the spelling of grey or gray, but what the man is walking. Is he walking a cat or poodle?
exists e1 e2 s1 x1 x2 x3 x4 x5.(with(e2,x5) & on(x5,x1) & n_thing(x1) & n_cow(x5) & past(e2,x4) & n_billboard(x4) & Actor(e2,x1) & v_walk(e2) & Theme(e1,x3) & Actor(e1,x2) & v_walk(e1) & n_poodle(x3) & a_gray(s1) & Theme(s1,x3) & (x1 = x2) & n_man(x1))
exists e1 x1 x2 x3.(n_cat(x2) & of(x2,x3) & n_grey(x3) & of(x2,x1) & n_male(x1) & n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_walk(e1))