A man in a blue cowboy hat is riding a white horse.
A man had a cowboy hat
Cowboy hat less descriptive way to say blue cowboy hat.
exists e1 s1 s2 x1 x2 x3 x4.(Theme(e1,x4) & Actor(e1,x1) & v_ride(e1) & n_horse(x4) & a_white(s2) & Theme(s2,x4) & in(x1,x2) & n_hat(x2) & of(x2,x3) & n_cowboy(x3) & a_blue(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_hat(x2) & of(x2,x3) & n_cowboy(x3) & n_man(x1))