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 potential of galvanic cell can be used to measure the ph of a solution. Question: The potential of what can be used to measure the ph of a solution?

Answer: galvanic cell

Question: Sentence: Of course, a net external force is needed to cause any acceleration, just as newton proposed in his second law of motion. Question: Of course, a net external force is needed to cause any acceleration, just as newton proposed in his second law of what?

Answer: motion

Question: Sentence: A domain is the highest taxon in the classification of living things. Question: What is the highest taxon in the classification of living things?

Answer:
a domain