three people dressed in costumes on a stage.
The people are working at an office.
A stage is not an office.
exists e1 x1 x2 x3 x4.(a_topic(x1) & in(e1,x3) & on(x3,x4) & n_stage(x4) & n_costume(x3) & Theme(e1,x2) & v_dress(e1) & (x1 = x2) & n_people(x1) & card_eq_3(x1))
exists e1 x1 x2.(n_people(x1) & at(e1,x2) & n_office(x2) & Actor(e1,x1) & v_work(e1))