Question: Who is the person who has lived the longest?
qaPairs: question: Who is the person who has lived the longest, but whose age is not verified?
answer: Jeanne Calment
question: Who is the person who has lived the longest, and whose age is verified?
answer: Sarah Knauss
question: What person who is currently alive has lived the longest?
answer: Kane Tanaka
qaPairs: question: Who was independently verified to have lived the longest?
answer: Jean Calment
question: Who is undisputed as the longest living person?
answer: Sarah Knauss