Input question: For what disease did Jonas Salk create a vaccine?

Output answer: polio

Input question: What was the middle name of the character 'Arthur Fonzarelli' from the t.v. series 'Happy Days'?

Output answer: herbert

Input question: What is the name of the fat substance used in ointments and cosmetics that is obtained from wool?

Output answer: lanolin

Input question: The Bruins ice hockey team and the Celtics basketball team are based in which US city?

Output answer:
boston