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 composition of the atmosphere has changed over the last 200 years primarily due to human activity. Question: Which of the following has changed over the last 200 years primarily due to human activity?

Answer: the composition of the atmosphere


Question: Sentence: Ribosomes are the only organelles that prokaryotic cells have. Question: What are the only organelles that prokaryotic cells have?

Answer: ribosomes


Question: Sentence: To confirm the work of another scientist, a scientist might replicate their work. Question: What might a scientist do to confirm the work of another?

Answer:
replicate their work