Determine the topic of the question. Question: "what composer used sound mass?" Topic:
Ans: Sound mass

Determine the topic of the question. Question: "what is .17 hmr caliber?" Topic:
Ans: .17 HMR

Determine the topic of the question. Question: "what composer used sound mass?" Topic:
Ans: Sound mass

Determine the topic of the question. Question: "when did wwi begin?" Topic:
Ans: World War I