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100% knows the answer to this question: "52 Americans were held hostage for 444 days in which country in 1980-81? "

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100% knows the answer to this question: "Lithography, invented in 1798, is a method of doing what? "

And do you know the answer to this one? "What branch of science was the focus of the Human Genome Project?"

100% knows the answer to this question: "World War I officially ended with the signing of what treaty on June 28, 1919? "

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100% knows the answer to this question: "Israel launched Operation Protective Edge in which area in 2014? "

And do you know the answer to this one? "Empress Gemmyo is a historical leader of which country?"

100% knows the answer to this question: "What was the name of the controversial barrier that was constructed by East Germany in the 1960s? "

And do you know the answer to this one? "In which British city is Buckingham Palace located?"