Read the passage and then answer the question : A gang of misfits on horseback rides into a frontier town in Wyoming and causes nothing but trouble. They steal people's horses, demand payments from the mayor as " protection" money , and drive business away from the saloons and stores. Then one day, a mysterious U. S. marshal, whose nickname is Horseshoe Bill, comes to town To create the most fitting climax, which event should happen next in the story