The Golfer's Dilemma: 

It's the final hole of the club championship. You drive your ball 250 yards straight down the middle. Your opponent slices hard into the woods. You both search for his ball for some time until he suggests, "You return to the fairway and take your second shot. If I can't find my ball, I'll go back and tee up again." 


You return to the fairway, hit your ball, and it's a beauty, landing about eight feet from the pin. Then you hear, "Found it!" as a ball comes screaming out of the woods, curves down the fairway, and lands a foot from the pin! 


Now, here's the dilemma: do you take that cheating mongrel's ball out of your pocket and confront him with it?