Input question: What is black gold and Texas tea

Output answer: oil

Input question: What volatile metallic element forms the nitrate compound Sr(NO3)2 commonly used in red fireworks?

Output answer: strontium

Input question: Evelyn Waugh's novel 'Black Mischief' was a satirical description of which 20th century Emperor?

Output answer: haile selassie

Input question: Which is the major city of the Italian region of Piedmont?

Output answer:
turin