Q: An acute angle is one that is less than 90 degrees, while an obtuse angle is between 90 and 180 degrees. What is the name of an angle that is exactly 90 degrees?
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A: right

Q: Behind Wal-Mart, Carrefour, and Tesco, what corporation is the fourth largest retail group (by turnover, at 2012) in the world?
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A: metro

Q: What would be the occupation of a member of the trade union BALPA?
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A:
british airline pilots association