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.

[Q]: 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?
[A]: ph


[Q]: Sentence: Blood enters the heart in atria valve. Question: Blood enters the heart in what valve?
[A]: atria


[Q]: Sentence: Venus has the most volcanoes. Question: What planet has the most volcanoes?
[A]:
venus