input: Please answer the following: Pam and Jill studied mammals. Jill was fascinated with their nutrition, while Pam was more interested and read about the natural selection phenomenon. Which person studied less about organisms with traits that better enable them to adapt to their environment?
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output: Jill

input: Please answer the following: Two friends were involved in a car crash. they both survived, but Mike had a serious brain injury. Vince was OK, he didn't experience any significant injuries. Which friend didn't suffer a traumatic brain injury?
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output: Vince

input: Please answer the following: Robert studied two groups of patients. Group O had mild allergy symptoms, while group R displayed severe allergy symptoms. Which group didn't experience itchy eyes?
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output: group R

input: Please answer the following: John and Keith are two friends. They went to see an ophthalmologist for an eye cheek up. The doctor found that John had myopia, but Keith had normal eyes. He advised them according to his findings. Whose eyeball would not be longer than normal, John or Keith?
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output:
Keith