(matches? '(who acted in godfather) '(who acted in godfather)) ⇒ #t (matches? '(who acted in godfather) '(who starred in godfather)) ⇒ #f (matches? '(who acted in ...) '(who acted in godfather)) ⇒ #t (matches? '(who acted in godfather) '(who acted in godfather II)) ⇒ #f