input: Please answer the following: Mike is studying the predator prey relationship. He is specifically studying three species, species A, species B, and species C. Species A is a predator; species B is the prey; and species C is a plant species that species B lives on. Mike now needs to figure out how the predator prey relationship balance the ecosystem. If species A population decrease, would it affect the ecosystem positively or negatively?
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output: negatively
Please answer this: Two neighboring cities are situated in a volcanic area with lots of earthquakes. Park city is situated near a very active volcano, while Hill city is situated 50 miles north. Which city experiences more continuous strings of earthquakes?
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Answer: Park
Problem: In ancient Greece King Juno asked two of his court philosophers, philosopher A and philosopher B, to come up with two interesting problems. Philosopher A devised a clever paradox and presented it before the court. He called the paradox Problem A. But philosopher B didn't come up with a paradox. He too presented a clever problem which was not a paradox - he called it problem B. Which problem's elements would not persist over time?

A: problem B
Problem: Given the question: John is a nuclear scientist who works at the Fermi lab. Today, in front of him he has four samples, sample A, sample B, sample C, and sample D. Sample A is the naturally occurring uranium. Sample B is enriched uranium. Sample C is the U-238, and sample D is the U-235. He needs to figure out how to best use them. Would sample B have higher or lower percentage of uranium-235 than sample A?
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The answer is:
higher
input question: 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????
output answer: team B
input question: Greg and Frank were two friends that studied natural sciences. One day, Greg decided to start reading about natural selection. His friend Frank decided to read more about populations that displayed natural selection more sparingly. They both learned lots of new interesting facts. Which friend learned more about animals that reproduce in greater numbers????
output answer:
Greg