I am verifying the answers generated by an automatic system to the following question: how did elvis presley contribute to the popularity of rock and roll? Suggested answer: In 1968, after seven years away from the stage, he returned to live performance in a celebrated comeback television special that led to an extended Las Vegas concert residency and a string of profitable tours. Should I validate this answer?
Pick from:
(a). No.
(b). Yes.
(a).