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: 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


Ex Input:
Sentence: All radioactive nuclides emit high-energy particles or electromagnetic waves. Question: All radioactive nuclides emit high-energy particles or what?

Ex Output:
electromagnetic waves


Ex Input:
Sentence: The largest known proteins are called titins. Question: What are the largest known proteins called?

Ex Output:

titins