A couple stand outside in a Grease 50's costume.
A group of friends are wearing spongebob costumes.
People in a Grease 50's costume can not be wearing spongebob costumes.
exists s1 x1 x2 x3 x4 x5.(a_topic(x1) & in(x3,x4) & n_costume(x4) & a_'s(s1) & Theme(s1,x4) & card_eq_50(x4) & of(x4,x5) & n_grease(x5) & outside(x1,x3) & n_thing(x3) & n_stand(x1) & of(x1,x2) & n_couple(x2))
exists e1 x1 x2 x3 x4.(Theme(e1,x3) & Actor(e1,x1) & v_wear(e1) & n_costume(x3) & of(x3,x4) & n_spongebob(x4) & of(x1,x2) & n_friend(x2) & n_group(x1))