Elderly couples dance at night, with strings of lights in the background.
An elderly dance party.
It might not be a party. The lights could be Christmas lights.
exists e1 x1 x2 x3 x4 x5 x6.(n_background(x6) & with(e1,x4) & of(x4,x5) & in(x5,x6) & n_light(x5) & n_string(x4) & at(e1,x3) & n_night(x3) & Theme(e1,x2) & Actor(e1,x1) & v_couple(e1) & n_dance(x2) & n_elderly(x1))
exists s1 x1 x2.(a_topic(x1) & n_party(x1) & of(x1,x2) & n_dance(x2) & a_elderly(s1) & Theme(s1,x1))