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 vertebrate endoskeleton can also be called a(n) internal skeleton. Question: The vertebrate endoskeleton can also be called what?

Answer: internal skeleton


Question: Sentence: Liquid nitrogen is used for cooling detectors of infrared telescopes. Question: What is used for cooling detectors of infrared telescopes?

Answer: liquid nitrogen


Question: Sentence: Stratus clouds occur in the low of the troposphere. Question: Where do stratus clouds occur in the troposphere?

Answer:
low