sameperson(X,Y):0.2:-
	movie(M,X),
	movie(M,Y).
	
sameperson(X,Y):0.2:-
	actor(X),
	actor(Y),
	workedunder(X,Z),
	workedunder(Y,Z).

sameperson(X,Y):0.2:-
	gender(X,Z),
	gender(Y,Z).

sameperson(X,Y):0.2:-
	director(X),
	director(Y),
	genre(X,Z),
	genre(Y,Z).