public class Demonstrate {
 public static void main(String argv[]) {
  Attraction x; 
  x = new Movie (4, 7, 3, 88);
  System.out.println(
   x.category() + " rated at "
   + x.rating() + " lasts " 
   + x.getMinutes() + " minutes"
  );
  x = new Symphony(10, 9, 3, 62);
  System.out.println(
   x.category() + " rated at "
   + x.rating() + " lasts " 
   + x.getMinutes() + " minutes"
  );
 }
}