Two gray-haired couples are dancing in a room with a few other people in the background.
Two people are dancing.
People who are dancing are dancing.
exists e1 s1 s2 x1 x2 x3 x4 x5.(n_background(x5) & n_people(x4) & in(e1,x5) & in(e1,x2) & with(x2,x3) & -(x3 = x4) & n_people(x3) & a_few(s2) & Theme(s2,x3) & n_room(x2) & Actor(e1,x1) & v_dance(e1) & n_couple(x1) & a_gray-haired(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 x1.(Actor(e1,x1) & v_dance(e1) & n_people(x1) & card_eq_2(x1))