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.

Example Input: Sentence: A wall of rocks or concrete a called a groin. Question: What is a wall of rocks or concrete called?
Example Output: groin

Example Input: Sentence: Duplications (or amplifications ) lead(s) to multiple copies of a chromosomal region. Question: What leads to multiple copies of a chromosomal region?
Example Output: duplications (or amplifications )

Example Input: Sentence: Lipids are available to the body from three sources. Question: Lipids are available to the body from how many sources?
Example Output:
three