A lady had just finished taking a CPR course, and was on the lookout for a chance to try it out. As she left the shopping center, she saw a man lying on the floor with a lot of people around him.Screaming, “I know CPR!”, she ran to the person, threw her bag down, loosened all tight clothing and got ready to start mouth-to-mouth.At this stage, a huge policeman tapped her on the shoulder and asked, “Do you mind, ma’am? I’m trying to arrest this man.”