Two boys pose with an action hero.
Two boys pose with Spiderman.
Not all boys posing with an action hero pose with Spiderman.
exists e1 x1 x2 x3.(with(e1,x2) & n_hero(x2) & of(x2,x3) & n_action(x3) & Actor(e1,x1) & v_pose(e1) & n_boy(x1) & card_eq_2(x1))
exists e1 x1 x2.(ne_nam_spiderman(x2) & with(e1,x2) & Actor(e1,x1) & v_pose(e1) & n_boy(x1) & card_eq_2(x1))