input: Please answer the following: Determine the topic of the question-answer pair. Question: "what is a mule in coins?"; Answer: "In numismatics , a mule is a coin or medal minted with obverse and reverse designs not normally seen on the same piece."? Topic:
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output: Mule (coin)

input: Please answer the following: Determine the topic of the question-answer pair. Question: "when did hitler kill himself?"; Answer: "Adolf Hitler committed suicide by gunshot on 30 April 1945 in his Fuhrerbunker in Berlin."? Topic:
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output: Death of Adolf Hitler

input: Please answer the following: Determine the topic of the question-answer pair. Question: "how many countries have english as an official language?"; Answer: "In 2012, there were 88 states in total (60 sovereign states and 28 non-sovereign states)."? Topic:
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output: List of countries where English is an official language

input: Please answer the following: Determine the topic of the question-answer pair. Question: "what is dave batista doing now?"; Answer: "He won his MMA debut on October 6, 2012, defeating Vince Lucero via TKO in the first round."? Topic:
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output:
Dave Batista