A man in a cowboy hat rides a horse.
An adult riding a horse on a dude ranch.
The man could be at a saddle ranch and not a dude ranch.
exists e1 x1 x2 x3 x4.(Theme(e1,x4) & Actor(e1,x1) & v_ride(e1) & n_horse(x4) & in(x1,x2) & n_hat(x2) & of(x2,x3) & n_cowboy(x3) & n_man(x1))
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & on(e1,x4) & n_ranch(x4) & of(x4,x5) & n_dude(x5) & Theme(e1,x3) & Actor(e1,x2) & v_ride(e1) & n_horse(x3) & (x1 = x2) & n_adult(x1))