[Q]: A scientist studied the effects of alcoholic beverages on the human body during severe weather exposure. He decided to experiment on himself. He stood in -30 degrees weather for 2 hours and called it experiment A. He then repeated the experiment, the only difference being that he consumed a pint of hard liquor before and during those two hours, and that was called experiment B. Given the paragraph above, please answer correctly the following question: When did the person have a higher core temperature, during experiment A, or during B?
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[A]: experiment A

[Q]: Planet X had two large oceans. Ice ocean had few submarine volcanoes, while Tropical ocean had thousands of active volcanoes on the ocean floor. Given the paragraph above, please answer correctly the following question: Which ocean had more volcanoes blasting rocky debris high above its surface?
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[A]: Tropical

[Q]: Carrie bought two parcels of farmland. The Northern one had soil with lots of arbuscular mycorrhizal fungi, while the Southern parcel had almost no traces of AM fungi. Given the paragraph above, please answer correctly the following question: Which parcel had a lower soil moisture content?
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[A]: Northern

[Q]: This year scientist found concrete evidence of existence of black holes by taking photograph of one. Unfortunately, the originator of black hole theory, Stephen Hawking, was never awarded a Nobel prize despite letting science advance in big leap because his theory could not be verified during his lifetime. On the other hand, scientist B has received Nobel prize because he has based his theory on the earlier theory of scientist A. Given the paragraph above, please answer correctly the following question: Which scientist might not have improved an earlier idea, scientist A or scientist B?
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[A]:
scientist A