Problem: Two teams studied two types of animals: team A studied predators, while team B studied grazers. They learned a lot from this experience. Which team didn't learn that predators play an important role in an ecosystem?

A: team B
Problem: Given the question: Two sister cities had different environments. Shanghai had big problems with air pollution while Berna took very good care of the surrounding environment and air quality. Which city had people at decreased risk of developing lung cancer?
++++++++++++++++++++++++++++++++
The answer is:
Berna
input question: The water level in Large Lake was high in March, 3 feet higher in April, and 7 feet higher still in May. It dropped to a much lower level in September, October and November, when they released a significant portion of the water as a yearly chore. When was the water level lower, in April or in September????
output answer: in September
Stan moved from the US to Australia, and he still gets confused because of the seasons in the southern hemisphere and the fact that they use the same calendar as the rest of the world. During which month is the northern hemisphere exposed to more sunlight, May or November?
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Answer: May
Q: Greg was studying behavior of different organisms. He noticed that some organisms were showing inquiline behavior. He noted that behavior as case A. Then he noticed some other organisms didn't show any inquiline behavior. He noted that behavior as case B. He was astonished by the complicated interactions among organisms. Which case would have higher risk of predation, case A or case B?
A: case B
[Q]: Archimedes was a great scientist. He was also a great inventor of machines. He once said that if he could stand somewhere, he could move the earth with his machine. Hearing that, king of Sicily called Archimedes and his fellow scientist Ptolemy to come up with great inventions. Archimedes, as everyone expected, came up with a great machine. But Ptolemy couldn't do much in such a limited time. So, his device was not a machine. Would Archimedes' device more likely or less likely make work easier than Ptolemy's one?
****
[A]:
more likely