The teacher was warning the class about the dangers of going to in cold weather improperly dressed.

“There was one a boy,” he said, “who was so eager to go out and play with his sled that he didn’t put a coat or scarf on. He caught a chill, the chill led to pneumonia… and he was sick for two weeks!”

The teacher paused to allow the moral of this story to sink in, when a small voice asked, “What happened to the sled?”