Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
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Question: Which motor manufacturer produces the Duster model?

Answer: dacia duster


Question: Who composed 'Belshazzar's Feast' cantata?

Answer: belshazzar's feast


Question: What country in North Africa, bordered by Tunisia, Libya, Niger, Mali, Mauritania, Western Sahara, Morocco and the Mediterranean Sea, is the largest country on the Mediterranean, and the second largest on the African continent and in the Arab world?

Answer:
sahara