Input question: Who was the Emperor of Rome at the time of the invasion of Britain in 43 AD?

Output answer: claudius

Input question: What was the first name of the politician Gladstone, the composer Walton, and the reformer Wilberforce?

Output answer: william

Input question: For what did the 'O' originally stand in the name of the breakfast cereal, Cheerios?

Output answer: oats

Input question: What is tha 40th wedding anniversary called?

Output answer:
ruby