[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. Whose body would use insulin produced in the pancreas, John or Keith?
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[A]: John
input: Please answer the following: China used alternative fuels to generate electricity, while Mongolia burned lots of fossil fuels. There were frequent debates between the two countries on this matter. Which country caused less ocean acidification?
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output: China
Please answer this: UK and France had scientific bases in Antarctica. UK had a base and studied the climate in East Antarctica, while France observed the climate in West Antarctica. Which country didn't observe ice lasting for extended periods?
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Answer: UK
Problem: Harry and Kim studied ancient humans. Kim studied a 15000 year-old settlement, before humans invented agriculture, while Harry studied a 5000 year-old village. Which student studied about a village that had more crowded living conditions?

A: Harry
Problem: Given the question: Ken is a microbiologist. He got two samples of yeasts, yeast A and yeast B, from two different businesses. Yeast A is used in a bakery, and yeast B is used in a brewery. He has to decide the characteristics of each yeast sample for further study. Interestingly, despite all his curiosity, Ken doesn't like any yeast to be around him. Which yeast sample is not a good match as a leavening agent, yeast A or yeast B?
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The answer is:
yeast B
Problem: Toronto is home to one of the leading manufacturers of aerosol sprays in the country. Because of this, homes in Toronto often spray high levels of aerosol on a regular basis. In Saskatchewan, meanwhile, the local government enacted a ban on aerosol sprays several years ago, so their level of aerosol use is now essentially zero. Which city, Toronto or Saskatchewan, will be allowing higher levels of UV radiation to reach Earth?

A:
Toronto