a man wears sunglasses and a hat.
man sleeping on a beach
A man would not be wearing a hat and glasses if he is sleeping.
exists e1 x1 x2 x3 x4.(Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & subset_of(x4,x2) & n_hat(x4) & subset_of(x3,x2) & n_sunglass(x3) & n_man(x1))
exists e1 x1 x2 x3.(a_topic(x1) & on(e1,x3) & n_beach(x3) & Actor(e1,x2) & v_sleep(e1) & (x1 = x2) & n_man(x1))