[Q]: A pharmaceutical company is trying to find the cure for allergy. To that end, they conducted an experiment with two groups of subjects, group A and group B. They exposed the participants in group A to allergen, but they didn't expose the participants in group B to any allergen. The symptoms of these two groups would help them find the cure for allergy. In which group the immune system would make inflammatory response, group A or group B?
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[A]: group A

[Q]: Daniel visited two countries. Switzerland and India. There was almost no air pollution at all in Switzerland, while the air in India was almost impossible to breathe it was so polluted. Which country had more people develop lung cancer?
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[A]: India

[Q]: Two countries used different fuels as power sources for their activities. Alsacia used fossil fuels, while Lorena devised more advanced energy storage devices, therefore relying on electricity. Which country caused fewer environmental concerns?
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[A]: Lorena

[Q]: Two groups of runners attended a 5k event downtown. Brown group warmed up properly before the race, but Red group did no such thing and suffered the consequences. Which group did a slow increase in the intensity of a physical activity?
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[A]:
Brown