[Q]: Two frogs are being examined in a laboratory. Frog X was found in a pond in the forest and has a parasite in it. Frog Y was found just outside the laboratory and is missing one eye. The employees at the lab weren't planning on analyzing any frogs, but when they found the one outside their front door they changed their mind. Given the paragraph above, please answer correctly the following question: Which frog is not in a symbiotic relationship?
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[A]: Frog Y

[Q]: Michael lives near a cliff overlooking the sea. Because of this he has an amazing view of the sunset. One day Michael decides to head out to the cliff and notices the sky looks much more red than normal. He also remembers that on the previous day he couldn't see his shadow at all. Given the paragraph above, please answer correctly the following question: Which is an example of looking at direct radiation, looking at the sun or looking at the open sky?
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[A]: sun

[Q]: David is a doctor with the local hospital. Yesterday, he was seeing two patients, patient A and patient B. His tests found out that patient A had myopia, but patient B had normal eyesight. He referred the patient with eye condition to an ophthalmologist. Given the paragraph above, please answer correctly the following question: Whose parents would most likely have eye conditions, patient A or patient B?
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[A]: patient A

[Q]: Mary had two children. Her firs born was named Bill and was normal, and her second child was named Sam and had Down syndrome. Given the paragraph above, please answer correctly the following question: Which child didn't have a degree of mental retardation?
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[A]:
Bill