public Subscription_Business(Abstract_Subscription subscription, Abstract_NewsFeed NewsFeedObject)
     : base(subscription, NewsFeedObject)
 {
     this.NewsFeedName = "Business";
 }
 public Subscription_Sports(Abstract_Subscription subscription, Abstract_NewsFeed NewsFeedObject)
     : base(subscription, NewsFeedObject)
 {
     this.NewsFeedName = "Sports";
 }