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: When the core of a star begins to run low on hydrogen, it contracts. Question: What happens to the core of a star when it begins to run low on hydrogen?

Ex Output:
it contracts


Ex Input:
Sentence: The ears are an external feature in human beings is responsible for balance. Question: What external feature in human beings is responsible for balance?

Ex Output:
ears


Ex Input:
Sentence: Electrostatic attractions holds ionic and covalent compounds together. Question: What holds ionic and covalent compounds together?

Ex Output:

electrostatic attractions