Question: Two brothers went on vacation. Tom partied heavily, and found out that he was infected with the HIV virus. Tim was more moderate, he went to the beach to get a sun tan, but he got an infection as well. Tim found out he got a bacterial infection and had to take antibiotics. Which brother didn't have to take antiviral drugs?
Answer: Tim
[Q]: Dr. Bill studies 2 groups of patients, group S composed of individuals with siclke-cell anemia, and group N with normal blood and no health issues. Which group had people with more changes in cellular structure?
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[A]: group S
input: Please answer the following: Two farmers had different pests attacking their plants. John had a big aphid problem, so he used all the methods available to get rid of them. Mike had a slug problem, but had almost no aphides. Which farmer didn't learn that aphids are resistant to organophosphates?
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output: Mike
Please answer this: Birch town was located 20 miles away from Free town. Birch town's population was affected by viral respiratory diseases, while Free town's population caught bacterial respiratory diseases. Which town has more people that caught the flu?
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Answer: Birch
Problem: Two sisters took their blood pressure at the doctor's office. Jill had hypertension, while her sister Beth had normal blood pressure. Which sister was at higher risk of having a stroke?

A: Jill
input: Please answer the following: This year scientist found concrete evidence of existence of black holes by taking photograph of one. Unfortunately, the originator of black hole theory, Stephen Hawking, was never awarded a Nobel prize despite letting science advance in big leap because his theory could not be verified during his lifetime. On the other hand, scientist B has received Nobel prize because he has based his theory on the earlier theory of scientist A. Which scientist might not have improved an earlier idea, scientist A or scientist B?
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output:
scientist A