A man in a hat is walking in a parking lot.
An elderly man in a cowboy hat is walking through a parking lot.
Every man is not elderly and every hat is not a cowboy hat.
exists e1 x1 x2 x3 x4.(in(e1,x3) & n_lot(x3) & of(x3,x4) & n_parking(x4) & Actor(e1,x1) & v_walk(e1) & in(x1,x2) & n_hat(x2) & n_man(x1))
exists e1 s1 x1 x2 x3 x4 x5.(through(e1,x4) & n_lot(x4) & of(x4,x5) & n_parking(x5) & Actor(e1,x1) & v_walk(e1) & in(x1,x2) & n_hat(x2) & of(x2,x3) & n_cowboy(x3) & n_man(x1) & a_elderly(s1) & Theme(s1,x1))