Question: Was John Lennon known to be a good friend to Sasha Obama?, Answer:No, Description of John Lennon: English singer and songwriter, founding member of the Beatles, Fact1: John Lennon died in 1980., Fact2: Sasha Obama was born in 2001.
Step1: When was Sasha Obama born?, Step2: When did John Lennon die?, Step3: Is #1 before #2?, Wikipedia page for step 1: Sasha Obama, Wikipedia page for step 2: John Lennon, Wikipedia page for step 3: , not_definitive_answer: False, incorrect_answer: False