What is by far the most famous painting in the Louvre?

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From which US university did Richard Nixon obtain a law degree?

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In which country were the 2010 Winter Olympics held?

On which harbour is the Sydney Opera House located?

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With what is sulfur and saltpeter mixed to make gunpowder?

What brand of sunglasses did Audrey Hepburn sport in the movie "Breakfast at Tiffany's"?

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How many colors are there in a rainbow?

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What country was host to the “2017 World Expo”?

Amor Vincit Omnia a Latin phrase meaning what?