Input question: What redhead failed Weight Watchers at age 19, only to become its spokesperson 19 years later

Output answer: sarah ferguson

Input question: What is Ozzy Osbourne's real first name?

Output answer: john

Input question: 'Mince Pies' is Cockney rhyming slang for which part of the body?

Output answer: eyes

Input question: What physical fact was proven by Foucault's pendulum?

Output answer:
that earth rotates