[Q]: Two ladies sit in a coffee shop. Patty smokes three packs of cigarettes a day, but her good friend Julie, doesn't smoke. They are both 65 years old. They are enjoying a coffee. Which lady has a higher risk of getting mouth cancer?
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[A]: Patty

[Q]: Doctor Brown examined two groups of patients: Group O, with members over 65, and group P, with members under 65 years of age. The study was about the effects on aging on the human body. Which group has fewer people with declining reflex time?
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[A]: group P

[Q]: An accident occurred in a local chemical factory. Consequently, large amount of various gases been released to the atmosphere. Local hospital is evaluating all the patients who have been affected by this accident. John, a doctor at the hospital, is seeing two patients, patient A and patient B. He concluded that patient A was having Fink effect. But he didn't see any sign of Fink effect in patient B. Which patient would have breathed large quantities of water-insoluble gases, patien A or patient B?
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[A]: patient A

[Q]: Two botanists studied different types of plants. Barb studied anemophilous plants, while her friend Faye learned about entomophilous plants. Which botanist learned more about pollen transported by wind currents?
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[A]:
Barb