<s>[INST] In 1997, the Titanic's safe was opened revealing some of the personal belongings and treasures from some of the ship's wealthy passengers, including a lady's locket, a ring, and a pair of fully functional Cartier cufflinks. One of the cufflinks was the size of a quarter and one was not. The cufflinks, when they were originally purchased, were sold in sets. How could a pair of cufflinks have different sizes?[/INST]