Q: David is a doctor who works for the public health department. After analyzing health data for his city, he found twenty percent of the population have myopia. He categorized them as group A. Another eighty percent didn't have myopia. He put them in group B. He now needs to devise a plan on how to tackle myopia in his city. Which group would find it easier to see distant objects, group A or group B?
A: group B

Q: John wanted to do a thought experiment. To that end, he started his journey under the full moonlight on Earth. He labeled that as time A. Then he entered his living room. He labeled that as time B. Next he traveled to Saturn. He labeled that as time C. After that, he traveled to Pluto. He labeled that as time D. Then he went to 90377 Sedna. He labeled that as time E. At the end, he returned back to Earth at sunset. He labeled that as time F. Would time A be more likely or less likely as bright as time C?
A: less likely

Q: Us and Canada are two friendly countries. Canada uses alternative methods to produce electricity while the US use more coal and oil. Both countries recently participated in a Global Warming Council. Which country causes less air pollution?
A: Canada

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. Which patient is more at risk for liver cancer, patient A or patient C?
A:
patient A