(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

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