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: Proteins are long chains of amino acids. Question: What are long chains of amino acids?

Ex Output:
proteins


Ex Input:
Sentence: A wall of rocks or concrete a called a groin. Question: What is a wall of rocks or concrete called?

Ex Output:
groin


Ex Input:
Sentence: During the anaphase phase, sister chromatids separate and the centromeres divide. Question: During which phase do sister chromatids separate and the centromeres divide?

Ex Output:

anaphase