Question: Which of these two musicians, Lee Ranaldo or Ozzy Osbourne, has had a longer music career?
{'answer': 'John Michael "Ozzy" Osbourne (born 3 December 1948) is an English singer, songwriter, and actor. He rose to prominence in the early 1970s as the lead vocalist of the heavy metal band Black Sabbath.', 'supporting_facts': [['Lee Ranaldo', 0], ['Lee Ranaldo', 1], ['Ozzy Osbourne', 0], ['Ozzy Osbourne', 1]]}