Input question: In which novel does fictional private eye Philip Marlowe first appear?

Output answer: big sleep

Input question: What was the submarine developed by US engineer Robert Fulton in 1803?

Output answer: nautilus

Input question: In the original Beatles line-up, who was the bass guitarist?

Output answer: stuart sutcliffe

Input question: At which circuit in 1955 did Stirling Moss win his first British Grand Prix, the race's debut at that circuit?

Output answer:
aintree