A man in a costume entertains four kids.
The woman in a costume entertained the four children.
It is either a man or a woman.
exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_entertain(e1) & n_kid(x3) & card_eq_4(x3) & in(x1,x2) & n_costume(x2) & n_man(x1))
exists e1 x1 x2 x3.(n_child(x3) & card_eq_4(x3) & n_woman(x1) & Theme(e1,x3) & Actor(e1,x1) & v_entertain(e1) & in(x1,x2) & n_costume(x2))