[Q]: There is a creature called a Brotor that has inhabited the planet Glarknon for thousands of years. The Brotor have two distinct traits on them, but each Brotor only has one of these traits. The vast majority of Brotors have fins on their body, but there is a very small segment of the Broto population that has arms instead of fins. Given the paragraph above, please answer correctly the following question: Which trait is more suited for the Brotor's environment?
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[A]: fins

[Q]: Russian research spent most of their time in Antarctica to study the loss of ozone in the atmosphere. The Canadian team went north of the Polar Circle, close to the North Pole to do the same thing. They spent several months there. The Canadian team didn't find any ozone holes at the North Pole. Given the paragraph above, please answer correctly the following question: Which team was less exposed to skin cancers?
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[A]: Canadian

[Q]: John is a scientist. Yesterday, he conducted several tests, test A, test B, test C, test D, test E, and test F. In test A he kept a substance in solid state. Then in test B he changed the same substance to liquid state. In test C he conducted a chemical reaction in room temperature. Then in test D he conducted the same chemical reaction in higher temperature. In test E he kept some enzymes in high temperature. Finally, in test F he kept the same enzymes in lower temperature. Given the paragraph above, please answer correctly the following question: Would test B see higher or lower temperature than test A?
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[A]: higher

[Q]: John is very health conscious. He works out regularly, and maintains balanced diet. But his friend Keith doesn't care much about health. He indulges in fast foods, and never exercises. As a result, Keith has type 2 diabetes, but John is free from diabetes. Given the paragraph above, please answer correctly the following question: Whose body cells would not respond normally to insulin, John or Keith?
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[A]:
Keith