A man wearing a hat is sleeping on his motorcycle.
The man is riding a horse.
A man cannot be on his motorcycle and riding a horse and the same time.
exists e1 e2 x1 x2 x3 x4.(on(e2,x4) & n_motorcycle(x4) & of(x4,x1) & n_male(x1) & Actor(e2,x1) & v_sleep(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_hat(x3) & (x1 = x2) & n_man(x1))
exists e1 x1 x2.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_horse(x2))