In ancient Greece King Juno asked two of his court philosophers, philosopher A and philosopher B, to come up with two interesting problems. Philosopher A devised a clever paradox and presented it before the court. He called the paradox Problem A. But philosopher B didn't come up with a paradox. He too presented a clever problem which was not a paradox - he called it problem B. Which problem would less likely to have self contradiction, prolem A or problem B?
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Answer: problem B

During the summer Anthony found it was way too hot to be comfortable. He went out to his garage to get an old fan. The fan was spins on a metal bearing but because it is old it was slightly rusted. When he turned the fan on it spun very slow, struggling to move. He then decided to lubricate the bearing that rotates the fan blades and the fan started spinning normally. Given a rusted machine and a freshly lubricated machine, which one will require less work to operate, the rusted one of the lubricated one?
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Answer: lubricated machine

Belgium and France are two countries participating at a human health meeting. Belgium has a lower biodiversity, while France's biodiversity is much higher. Which country experienced more disease transmission?
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Answer:
Belgium