A man on a beach building a sand castle.
The man is on a ship.
The man cannot be on a beach and on a ship at the same time.
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & on(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_build(e1) & n_castle(x4) & of(x4,x5) & n_sand(x5) & (x2 = x3) & n_beach(x2) & n_man(x1))
exists p1 x1.(n_man(x1) & exists x2.(on(x1,x2) & n_ship(x2)))