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: Lakes do craters and rifts become when they fill with water. Question: What do craters and rifts become when they fill with water?

Answer: lakes


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


Question: Sentence: 7 is the ph of pure water. Question: What is the ph of pure water?

Answer:
7