Problem: Given the question: The Danube and Volga rivers both form large deltas, but the Danube river delta is larger and grows faster every year. Which river's speed decreases more rapidly when it reaches the sea?
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The answer is:
Danube

Problem: Given the question: Two friends liked studying about the Earth's atmosphere. Vick studied more about the troposphere, while Frank studied more about the Greenhouse Effect. Which friend studied less about short wavelength solar energy?
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The answer is:
Vick

Problem: Given the 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 type 2 diabetes?
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The answer is:
Zack