input: Please answer the following: John an Keith are coworkers in a chemistry lab. Yesterday, they conducted there tests, test A, test B, and test C. In test A, John kept a substance in solid state, but Keith changed the same substance from solid to liquid state. In test B, John conducted a chemical reaction in low temperature, but Keith conducted the same chemical reaction in high temperature. Finally, in test C, John kept an unstable material in room temperature, but Keith kept the same unstable material in a cool container. In test C, whose material would be viable for longer time, John or Keith?
++++++++++
output: Keith
Please answer this: In the Kenya-Tanzania border Kenyan grassland gradually merges into Tanzanian forest. Though they had similar soil to start with millions of years ago, today they are two different habitats. At present, Kenya has one of the largest contiguous grassland in Africa. On the other hand, Tanzania boasts one of the largest forest cover in Africa. Which place would store less organic matter in the "O horizon", Kenya or Tanzania?
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Answer: Kenya
Problem: Ethiopia and Sudan are two neighboring countries where extreme poverty can be seen. Still Ethiopia has pushed for women's education in the last decade. Sudan has largely failed in investing on women's education. Elsewhere in Africa, the country of Botswana has just overcome extreme poverty, thanks to vast mineral deposits. But they invested on women's education. Which country would expect faster economic growth, Ethiopia or Sudan?

A: Ethiopia
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. Which researcher read more about a drop in pressure?
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The answer is:
Clint
input question: two countries of similar natural resources had different populations. Italy had a small population, while Spain had a very large population. Which country had a better reproductive rate????
output answer: Italy
input question: Two brothers had very different diets. Vick would constantly eat foods high in fat and would frequently overeat. Zack on the other hand, had a higher metabolic rate, a faster metabolism, and he would eat the correct amount of calories. Which brother had a lower chance of developing hypertension????
output answer:
Zack