Problem: How are Belgian World Airlines also known?
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A: sabena

Problem: What river, that passes through Turin, is the longest river in Italy?
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A: po

Problem: In chemistry, the measure of acidity and alkalinity is the pH. For what does the letter H stand?
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A: potential hydrogen

Problem: The bird 'Road Runner' always managed to avoid the murderous attempts of which other cartoon character?
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A:
wile e coyote