One man and two women dressed in vampire costumes
The people are wearing costumes.
If you are dressed in vampire costumes you are wearing a costume
exists e1 s1 x1 x2 x3 x4 x5.(a_topic(s1) & subset_of(x2,s1) & in(e1,x4) & n_costume(x4) & of(x4,x5) & n_vampire(x5) & Theme(e1,x3) & v_dress(e1) & (x2 = x3) & n_woman(x2) & card_eq_2(x2) & subset_of(x1,s1) & n_man(x1) & card_eq_1(x1))
exists e1 x1 x2.(n_people(x1) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_costume(x2))