input: Please answer the following: Ryan is carrying groceries from his car back to his apartment when he trips and falls landing on his knees. Embarrassed, he gets back up, picks up his groceries and carries them into his apartment with his head down. After putting his groceries away, he notices that although both of his knees are scraped, only his left knee is warm to the touch. His right knee feels cool when he puts his hand on it. Which of Ryan's knees has bacteria in it?
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output: left knee
Please answer this: Rob likes to visit high mountainous locations. Last year he visited the the Alps mountains in Austria. There he saw an unique type of glacier called valley glacier. This year he went further east to visit the Ural mountains in Russia. There he didn't see any valley glacier. Which mountain's glacier would not be responsible for plucking effect, Alps or Ural?
++++++++
Answer: Ural
Problem: High lake had a lot of fresh and salt water mixing, therefore presented layers of stratified water.The water was poor in nutrients.Low lake had no such problems and it was a very abundant and prolific fishing spot. Which lake had less dense layers of water?

A: Low lake
Problem: Given the question: The Madrigal Ocean and the Listy Ocean are two bodies of water currently under observation by scientists on a planet nearly identical to Earth. Although the studies have just started, the scientists have already discovered that the salinity of the Madrigal Ocean is much lower than that of the Listy Ocean. This isn't much information, but it's progress and the scientists are not going to stop their studies until they learn all that they can about these waters. Which ocean is more likely to have higher evaporation?
++++++++++++++++++++++++++++++++
The answer is:
Listy
input question: Two colleagues gave blood for an emergency. Ned got infected with HIV because they re-used a needle. His friend Nate was not infected. Which colleague had a virus that is transmitted by contact with infected breast milk????
output answer: Ned
input question: Moon and Earth were two sister planets, both inhabited by humans. People of Earth released large quantities of greenhouse gases into the atmosphere over the last decades, while Moon people were taking good care of their planet and the environment. Which planet recorded parallel increases in concentration of carbon dioxide and average global temperature????
output answer:
Earth