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: The skeleton supports the body, protects internal organs, produces blood cells, and maintains mineral homeostasis. Question: What structure supports the body, protects internal organs, produces blood cells, and maintains mineral homeostasis?

Ex Output:
skeleton


Ex Input:
Sentence: The number of particles of a substance in a given volume is known as the concentration. Question: The number of particles of a substance in a given volume is known as?

Ex Output:
concentration


Ex Input:
Sentence: When it bursts do weather balloons return to earth. Question: When do weather balloons return to earth?

Ex Output:

when it bursts