The soldiers, weary, hot, and grimy from relentless marching and fighting, were addressed by their general one day. "Men," he announced, "I have good news and bad news. Which would you like first?"
"The good news!" they all shouted.
"Very well," said the General. "The good news is that each of you will receive a complete change of clothing."
"Hurrah!" chorused the soldiers.
"And now for the bad news," he continued. "Jack, you will change with John. John, you will change with Tom. Tom, you will change with Robert. Robert..."