Input question: Which gas is produced when water is mixed with Calcium Carbide?

Output answer: acetylene

Input question: Who was King of England in the year 1400?

Output answer: henry iv

Input question: Lactuca Sativa is the Latin name for which vegetable, which has varieties including Summercrisp, Butterhead and Romaine?

Output answer: lettuce

Input question: What is rugby union's equivalent of a 'fair catch' in American football?

Output answer:
mark