Men and women in colorful costumes dancing.
People are dancing in the ballroom.
the ballroom is used for dancing and men and women are people
exists e1 s1 s2 x1 x2 x3 x4.(a_topic(s1) & subset_of(x2,s1) & in(x2,x3) & Actor(e1,x4) & v_dance(e1) & (x3 = x4) & n_costume(x3) & a_colorful(s2) & Theme(s2,x3) & n_woman(x2) & subset_of(x1,s1) & n_man(x1))
exists e1 x1 x2.(n_ballroom(x2) & in(e1,x2) & Actor(e1,x1) & v_dance(e1) & n_people(x1))