A man in a blue shirt and hat is walking along the beach.
The man is not wearing any clothes.
The man can either or a shirt or not wear any clothes.
exists e1 s1 x1 x2 x3 x4 x5.(n_beach(x5) & along(e1,x5) & Actor(e1,x1) & v_walk(e1) & in(x1,x2) & n_hat(x4) & n_shirt(x3) & a_blue(s1) & Theme(s1,x3) & subset_of(x4,x2) & subset_of(x3,x2) & n_man(x1))
exists x1.(n_man(x1) & -all x2.(n_clothes(x2) -> exists e1.(Theme(e1,x2) & Actor(e1,x1) & v_wear(e1))))