A man in a costume entertains four kids.
A clown is performing at a birthday party.
This is at a birthday party.
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.(at(e1,x2) & n_party(x2) & of(x2,x3) & n_birthday(x3) & Actor(e1,x1) & v_perform(e1) & n_clown(x1))