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: Adrenalin is the hormone produced in high-stress situations. Question: What is the hormone produced in high-stress situations?

Answer: adrenalin


Question: Sentence: Leaves changing color on trees of these is the best sign that the fall season has begun. Question: Which of these is the BEST sign that the fall season has begun?

Answer: Leaves changing color on trees


Question: Sentence: The acidity of a solution is typically assessed experimentally by measurement of its ph. Question: The acidity of a solution is typically assessed experimentally by measurement of its what?

Answer:
ph