[Q]: Tom and Andy are two old friends. Tom was infected with HIV 20 years ago, and Andy has been helping him ever since. Andy is as healthy as an ox. Which friend has a weaker immune system?
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[A]: Tom

[Q]: Archaeologists studied data about human settlements. One was 100,000 years old called village R, and the other one was about 9,000 years old called village N. The older settlement was located in Africa, the other one wasn't. Which village had more people that were gatherers?
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[A]: village R

[Q]: Two brothers had very bad luck when they attended a wedding. Tom fell violently ill after eating some tainted food, and he was rushed to the hospital. His brother Rob felt sick later, after eating the main course. Tom was infected with norovirus and hepatitis A, while Rob was infected with Giardia and Trichinella. Which brother experienced less inflammation of the liver?
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[A]: Rob

[Q]: Two teams of agriculturists used different methods to improve production. Team Corn used organic methods, and team Plum used gibberellins for their crops. Which team stopped dormancy (resting time) of seeds?
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[A]:
team Plum