A man in a costume entertains four kids.
A person is doing something fun.
Entertaining kids does not imply he is doing something fun.
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.(Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & Time(x2,x3) & n_fun(x3) & n_thing(x2) & n_person(x1))