Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.

Q: What was the title of the first feature film made in Cinemascope?

A: cinemascope
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Q: Chris Martin is the lead singer with which band who had several hits in the 2000s?

A: chris martin
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Q: The Church of the Savior on Spilled Blood, built on the site of the assassination of Tsar Alexander II, is in which Russian city?

A:
church of the savior on blood
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