Problem: Kenya's Masai Mara wildebeest migration is one of the greatest spectacles in the natural world. Every year thousands of wildebeests cross the Mara river. John went to see the migration last year. He noticed that the wildebeests crossed the the river in a very large group. He noted that as case A. His guide told him that is not the case in other times of the year. The wildebeests cross the river in smaller groups in other times. John noted that as case B. The guide added that in both cases on thing is constant, they are attacked by the lions. Which case would see the dilution effect not working better, case A or case B?

A: case B
Problem: Given the question: Thanks to environmental initiatives, Quebec has grown a large number of forests recently that are densely populated with tall trees. At the same time, Ottawa has been cutting down large numbers of trees in their forests and clearing the land to make room for housing developments and new construction sites. Which city, Quebec or Ottawa, has released less carbon dioxide through their actions?
++++++++++++++++++++++++++++++++
The answer is:
Quebec
input question: Two brothers took a blood test. The doctor found out that Tim had hemophilia, while his brother Rick had normal blood cells and was healthy. Which brother had a higher risk of internal bleeding????
output answer: Tim
Jeremy works on a construction site operating a jackhammer and a large welding machine. Jeremy is frequently exposed to sounds with high decibel levels due to being around these machines so often. Jeremy's brother, Alexander, on the other hand works in a library. Unlike Jeremy, Alexander is frequently exposed to sounds with very low decibel levels during his work. Who is exposed to sound waves with lower intensity?
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Answer: Alexander
Q: Tom and John are both pool owners. Tom prefers to use sodium bisulfate in his pool because he enjoys the smell. John, however, prefers using sodium carbonate in his pool because he believes it helps keep pests away. Whose pool will have higher levels of carbon dioxide?
A: John
[Q]: Two old friends were both oceanographers. They were both researching the levels of marine pollution in Earth's oceans. Vic studied the Arctic Ocean, while Dan studied the Pacific Ocean. Which friend observed fewer oxygen-depleting chemicals in the water?
****
[A]:
Vic