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: Acid rain may be caused by air pollution. Question: Acid rain may be caused by what?

Ex Output:
air pollution


Ex Input:
Sentence: The chains in cellulose stack in parallel rows held together by hydrogen bonds between hydroxl groups groups. Question: The chains in cellulose stack in parallel rows held together by hydrogen bonds between which groups?

Ex Output:
hydroxl groups


Ex Input:
Sentence: Kinetic energy is the energy of motion. Question: Kinetic energy is the energy of what?

Ex Output:

motion