It is a truth universally acknowledged, that a single sock in a washing machine, is a conundrum of great import.
Conundrum 15: The Mysterious Sock
On a fateful evening, John's wife, Mary, did misplace one of her socks. It was a day of great import, for it marked the beginning of the end of their marriage.
John, a man of great logic, sought to find the missing sock, and thus, his wife.