Problem: What was the subject of French sociologist Emile Durkheim's 1897 work that studied Catholic and Protestant populations and that resulted in sociology getting established on its own?
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A: suicide

Problem: In which state was US President William McKinley assassinated?
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A: new york

Problem: At a conference a 'plenary session' refers to a session which involves?
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A: everyone

Problem: Located in Venezuela, what is the highest, uninterrupted waterfall in the world?
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A:
angel falls