Problem: The specialists studied two groups of larvae. Group L displayed all kinds of mutations while group D didn't. Which group of larvae had fewer germline mutations?

A: group D
Problem: Given the question: The tourist village had two beaches: Coral beach with nice sand and deeper water was preferred by families, and Surfer beach which had shallow water was a surfer's heaven. Which beach had waves with a broad and shallow trough?
++++++++++++++++++++++++++++++++
The answer is:
Surfer beach
input question: The doctors used used the newly discovered allergy medicine on two groups of people. As a result, group Alpha experienced mild allergy symptoms, while group Beta continued experiencing severe allergy symptoms and remained hospitalized. Which group experienced difficulty breathing????
output answer: group Beta
When comparing village A from ten thousand years ago to village B from today, we reached the conclusion that today's villagers release much more carbon into the atmosphere by their activities. Which village cut more forests?
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Answer: village B
Q: Robert studied two groups of patients. Group O had mild allergy symptoms, while group R displayed severe allergy symptoms. Which group may not require an injection of the hormone epinephrine?
A: Group O
[Q]: David was working in his chemistry lab. He selected two isotopes, sample A and sample B. Sample A had longer half-life, but sample B had shorter half-life. After some time he checked sample A when its one half-life had passed. He noted it as sample A1. Then he came back to see it again when two half-lives had passed. He noted it as sample A2. Would sample A2 have less or more isotopes than sample A1?
****
[A]:
less