input: Please answer the following: 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. Which sample would have more isotopes, sample A1 or sample A2?
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output: sample A1

input: Please answer the following: Two families thought differently about vaccinations. Dean family vaccinated their children while Moore family didn't. Which family had pathogens injected under the skin?
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output: Dean

input: Please answer the following: Johnathan is trying to find two blocks of wood with the same mass for a project he is working on. He doesn't have a balance, so he makes a crude one out of materials he has on hand. He put a block of wood on either side and the block on the left side was at a lower level than the block on the right. If Johnathan wanted to both sides to be at an equal level would he need more or less mass on the left side?
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output: less

input: Please answer the following: Two farms were situated on opposite banks of a large river flowing into the ocean. Hill farm practiced conventional agriculture, while Dew farm practiced permaculture design within the context of organic farming. Which farm generated fewer marine dead zones because of livestock and human waste?
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output:
Dew