[Q]: Mary and Ann are mother and daughter. Mary is in her 70's while Ann is in her late 40's. They both work out regularly for improved health. Mary has been experiencing some health issues lately. Which person is at a greater risk of developing arthritis?
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[A]: Mary

[Q]: Bend village was located 20 miles away from Mound village. People in Bend village used gasoline powered vehicles, while Mound village used only electrical vehicles. Which village emitted more carbon monoxide?
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[A]: Bend

[Q]: Two sisters went to the hospital. The medics ran some blood tests and found out that Sue had sickle cell trait, while Mary had normal blood cells. Sue received treatment. Which sister has a specific mutation in the primary sequence of their hemoglobin molecules?
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[A]: Sue

[Q]: The city of Riga is situated at 56 degrees N, and its sister city Kobe, Japan is situated at 34 degrees N, on a different circle of latitude. Which city is situated farther from the Polar Circle?
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[A]:
Kobe