premise: A dancer in costumer performs on stage while a man watches.
hypothesis: the dancer is wearing a costume
explanation_1: Dancer in costumer means the same as dancer wearing a costume.
explanation_2: The dancer is in costume, therefore they are wearing a costume.
explanation_3: "a dancer in costume" is a rephrase of "the dancer is wearing a costume"
premise_logic: exists p1 p2 p3 x1 x2 x3 x4.(for(p1,x1) & exists x6.n_event(x6) & exists e1 x5.(Actor(e1,x5) & v_watch(e1) & n_man(x5)) & while(p2,p3) & in(x1,x2) & on(x2,x4) & n_stage(x4) & n_perform(x2) & of(x2,x3) & n_costumer(x3) & n_dancer(x1))
hypothesis_logic: exists e1 x1 x2.(n_dancer(x1) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_costume(x2))