[Q]: Two sisters went in for a medical examination. Mary had normal blood calcium level, but her sister Ann sadly found out that she has a condition named hypercalcaemia. Ann started a new treatment right away. Which sister didn't have excess calcium salts being deposited in the blood vessels?
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[A]: Mary

[Q]: John was trying to reenact Le Chatelier's principle. To that end, he conducted four tests, test A, test B, test C, and test D. In test A, he didn't input any stress to a chemical system in equilibrium. But In test B, he put some stress to the same system. In test C, he observed a forward reaction, but in test D, he observed a reverse reaction. In which test Le Chatelier's principle had been applied, test A or test B?
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[A]: test B

[Q]: John was studying plant varieties in different regions. He fist visited the Pacific Northwest. He found that the wind was constantly very strong there. He marked it as case A. Then he studied the plants in the Midwest. He found that on average the wind speed was very light there. He marked it as case B. In which case seedlings would spend more energy to repair the damaged stems, case A or case B?
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[A]: case A

[Q]: Two teams of researchers studied different diseases. team Alpha studied people with cholesterol, while team Beta studied people with Parkinson's disease. Which team studied more people with high blood pressure?
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[A]:
Alpha