A man in a costume entertains four kids.
The man performs for a children's birthday party.
Entertaining kids does not imply it is for a children's 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 x4.(n_man(x1) & for(e1,x3) & n_party(x3) & of(x3,x4) & n_birthday(x4) & of(x3,x2) & n_child(x2) & Actor(e1,x1) & v_perform(e1))