A couple of men playing pool.
Two mens are doing pool games.
Pool games would be the same activity as playing pool.
exists e1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x4) & Actor(e1,x3) & v_play(e1) & n_pool(x4) & (x1 = x3) & of(x1,x2) & n_man(x2) & n_couple(x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & n_game(x2) & of(x2,x3) & n_pool(x3) & n_men(x1) & card_eq_2(x1))