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: None purpose does the appendix serve in humans today. Question: What purpose does the appendix serve in humans today?

Ex Output:
none


Ex Input:
Sentence: No lungs do fish have short esophaguses. Question: Why do fish have short esophaguses?

Ex Output:
no lungs


Ex Input:
Sentence: Woolly mammoths began to go extinct thousands of years ago because of hunting by humans. Question: Why did woolly mammoths began to go extinct thousands of years ago?

Ex Output:

hunting by humans