Police responded to an incident involving gunshots. When they arrived at the scene, they found two men arguing. One man named Henry was inside the home, and the other man, Ralph, was outside near a shed. Two bullets went through the large living room window. The police did not recover the bullets. Henry claimed that he was firing in self-defense and that Ralph had fired the first shot, noted by A in the diagram below. In self-defense, Henry shot the second bullet from inside the house, noted by letter B in the diagram. Ralph claimed that he did not fire any guns and that the man in the house fired both bullets at him. As an expert in glass analysis, you have been called upon to determine what happened.