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 Input:
Sentence: Density describes how much matter is in a certain amount of space. Question: What describes how much matter is in a certain amount of space?

Ex Output:
density


Ex Input:
Sentence: When scientists work in natural settings rather than a lab, it is called fieldwork. Question: When scientists work in natural settings rather than a lab, it is called what?

Ex Output:
fieldwork


Ex Input:
Sentence: We use voltage to keep track of electric potential energy. Question: What do we use to keep track of electric potential energy?

Ex Output:

voltage


