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: Volcanic gases helpe to form the atmosphere on earth. Question: What did volcanic gases help to form on earth?

Ex Output:
atmosphere


Ex Input:
Sentence: Aerobic exercise helps improve the cardiovascular system, while anaerobic exercise causes muscles to get bigger and stronger. Question: Aerobic exercise helps improve the cardiovascular system, while what exercise causes muscles to get bigger and stronger?

Ex Output:
anaerobic


Ex Input:
Sentence: Vessel elements are gymnosperms lacking compared to most angiosperms. Question: What are gymnosperms lacking compared to most angiosperms?

Ex Output:

vessel elements