a man riding an angry horse
The man is a cowboy.
Anyone can ride a horse, we have no idea the man is a cowboy.
exists e1 s1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_ride(e1) & n_horse(x3) & a_angry(s1) & Theme(s1,x3) & (x1 = x2) & n_man(x1))
exists p1 x1.(n_man(x1) & exists x2.((x1 = x2) & n_cowboy(x2)))