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: Single-celled organisms are prokaryotes. Question: What kind of organisms are prokaryotes?
Example Output: single-celled

Example Input: Sentence: Lichens are not a single organism, but rather an example of a mutualism. Question: Lichens are not a single organism, but rather an example of a what?
Example Output: mutualism

Example Input: Sentence: Embryos usually don't survive if they have extra or too few of these genetic units? Question: Embryos usually don't survive if they have extra or too few of these genetic units?
Example Output:
chromosomes