Please answer this: Two medical school students named Dan and Bob learned about the human immune system. Dan studied more about the subject, and became very interested to pursue it more in the future. Which student didn't learn that the infected skin area may become painful?
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Answer: Bob
Problem: In Colorado, everyone makes sure they get vaccinated for measles. However in Ontario they don't like to get vaccines so most of the population skips them. One year a major measles outbreak occurs. Given the people of Ontario are now required to get vaccinated for measles, will the infection rate in Ontario increase or decrease?

A: decrease
Problem: Given the question: Manny and Dean were two classmates. They had to prepare for a school project so they decided to learn about animals. Manny studied animal communication, while Dean studied animal feeding patterns and nutrition. Which student didn't learn about the ability of animal group members to cooperate?
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The answer is:
Dean
input question: Rob is competing in a cross country race. After running about a mile he reached a place with two signs, sign A and sign B. Sign A says that it's a quicksand. But sign B says that it's not a quicksand. He has to decide which way to go. Would sing B indicate spongy texture or not spongy texture of the soil????
output answer: not spongy texture
There are two identical neighboring planets, Krypton and Gotham, inhabited by the same species of creature. Both civilizations utilize the same technology and have the same city structures. However, the creatures on Krypton use substantially more energy than the people on Gotham. Furthermore, the inhabitants of Krypton have started clearing more land than Gotham. Which planet will see the extinction of more species?
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Answer: Krypton
Q: Robert and his brother Dale are both dairy farmers that primarily produce milk products. Both Robert and Dale have farms that approximately the same size. Dale prefers to produce milk conventionally, as he likes the way that conventional milk tastes. Robert, on the other hand, decided to switch to organic milk production after reading an article online about it. Whose farm, Robert's or Dale's, will use lower amounts of pesticides?
A:
Robert's