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.

[EX Q]: Sentence: The body's second line of defense against pathogens includes inflammatory response. Question: The body's second line of defense against pathogens includes which response?
[EX A]: inflammatory

[EX Q]: Sentence: Fire extinguisher of the following items is necessary in a laboratory for safety purposes. Question: Which of the following items is necessary in a laboratory for safety purposes?
[EX A]: Fire extinguisher

[EX Q]: Sentence: Calcium nitrate is composed of a calcium cation and a nitrate anion. Question: What is composed of a calcium cation and a nitrate anion?
[EX A]:
calcium nitrate