Step 1 : Introduction to the question "Which of these presidential surnames was also the surname of a U.S. vice president?"
Bill Clinton and George Clinton shared the surname Clinton while serving in the roles of President and Vice President, respectively. Bill Clinton served as the 42nd President of the United States, while George Clinton served as Vice President under both Thomas Jefferson and James Madison. While the surname Johnson was not listed as a multiple-choice option, it would also have been a correct answer. The surname Johnson was shared by Andrew Johnson, the 17th President, and Lyndon B. Johnson, who served as Vice President under John F. Kennedy before becoming the 36th President.