Sammy goes out to play. His mother tells him to be home by 5:oo. Sammy is almost an hour late, but he has an excuse. He says that he got lost. He tells his mother that when he checked his compass, it was pointing to the west, so he followed a path in that direction, but still had trouble finding his way home. Sammy's mother punishes him for lying to her. How does she know he is Lying?
