Problem: Given the question: Two college buddies have known each other for 20 years. Tim was HIV positive while John was not and he didn't have a problem with it. Both friends are 40 years old. Which friend cannot expect to reach an average human life span?
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The answer is:
Tim

Problem: Given the question: The specialists studied two groups of larvae. Group L displayed all kinds of mutations while group D didn't. Which group of larvae had more somatic mutations?
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The answer is:
Group L

Problem: Given the question: John just opened a coffee shop. He offers two types of coffee, coffee A and coffee B. In coffee A he mixes ingredients in hot water, but in coffee B he mixes ingredients in cold water. He also notices that his shop gets very busy in the morning, but during evening he doesn't have many customers. Which coffee would be slower to make, coffee A or coffee B?
++++++++++++++++++++++++++++++++
The answer is:
coffee B