Problem: Given the question: Two researches studied the Earth's mantle. Clint studied mantle melting, and his pal Uri decided to study other mantle related phenomena. Given the paragraph above, please answer correctly the following question: Which researcher read less about lowering the mantle's melting point?
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The answer is:
Uri

Problem: Given the question: Two teams studied two types of animals: team A studied predators, while team B studied grazers. They learned a lot from this experience. Given the paragraph above, please answer correctly the following question: Which team learned more about deer?
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The answer is:
team B

Problem: Given the question: Research team Alpha learned about early human activities, from 200000 years ago, while team Gamma learned about late human activities, 40000 years ago to present times. Given the paragraph above, please answer correctly the following question: Which team didn't learn about humans that lived in small populations of nomadic hunters?
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The answer is:
team Gamma