In this task, you are given a sentence and a question, you would be asked to create the answer which is contained in the sentence provided.
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Question: Sentence: The skeleton supports the body, protects internal organs, produces blood cells, and maintains mineral homeostasis. Question: What structure supports the body, protects internal organs, produces blood cells, and maintains mineral homeostasis?

Answer: skeleton


Question: Sentence: Vertebrata are characterized by the presence of backbone. Question: Vertebrata are characterized by the presence of what?

Answer: backbone


Question: Sentence: The stratosphere is the layer above the troposphere. Question: What is the layer above the troposphere?

Answer:
stratosphere