[Q]: Jim and Robert are identical twins both getting their yearly physical check ups at the doctor's office. They are trying to figure out if they are at risk for any future health problems. Both of them consume the same diet and exercise the same amount, and were both raised in the exact same environment. But, Jim has smoked tobacco frequently for several years and Robert has never smoked tobacco in his life. Given the paragraph above, please answer correctly the following question: Who is at a lower risk for getting mouth cancer in the future?
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[A]: Robert

[Q]: Keith is a doctor in a local hospital. Today, he is seeing three patients, patient A, patient B, and patient C. Patient A has been suffering from hepatitis B all his life; patient B is recovering from hepatitis B on his own; and patient C doesn't have hepatitis B. Keith would now compare the symptoms of these patients. Given the paragraph above, please answer correctly the following question: Which patient is less at risk for liver cancer, patient A or patient C?
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[A]: patient C

[Q]: Greg and Frank were two friends that studied natural sciences. One day, Greg decided to start reading about natural selection. His friend Frank decided to read more about populations that displayed natural selection more sparingly. They both learned lots of new interesting facts. Given the paragraph above, please answer correctly the following question: Which friend learned more about beneficial heritable traits becoming more common ?
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[A]: Greg

[Q]: The department of geriatrics conducted a study on two groups of people, group V composed of people above 65 years old, and group W which had people under 65 and many under 60 years old. They were studying the effects on aging on the human body. Given the paragraph above, please answer correctly the following question: Which group had fewer people with Alzheimer's disease?
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[A]:
group W