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 colony refers to a group of individual organisms of the same species that live closely together. Question: What refers to a group of individual organisms of the same species that live closely together?
Example Output: a colony

Example Input: Sentence: When scientists work in natural settings rather than a lab, it is called fieldwork. Question: When scientists work in natural settings rather than a lab, it is called what?
Example Output: fieldwork

Example Input: Sentence: Leaves changing color on trees of these is the best sign that the fall season has begun. Question: Which of these is the BEST sign that the fall season has begun?
Example Output:
Leaves changing color on trees