Problem: Given the question: Two regions, region A and region B, shared a common border, a river. Region A was favorable for sulfate-reducing bacteria and nitrogen fixing bacteria, while region B was more favorable for the developement of Non-respiratory anaerobes and facultative anaerobes. Which region had fewer bacteria that used the enzyme nitrogenase?
++++++++++++++++++++++++++++++++
The answer is:
region B

Problem: Given the question: 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. Would patient B more likely or less likely risk a damaged liver than patient A?
++++++++++++++++++++++++++++++++
The answer is:
less likely

Problem: Given the question: Two friends had a discussion about the Earth and what this reality might be. Tim believed in the Gaia hypothesis, while Olly believed in the Panspermia theory. Which friend did not believe that the Earth tends to achieve a stable state?
++++++++++++++++++++++++++++++++
The answer is:
Olly