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: Corals build hard exoskeletons that grow to become coral reefs. Question: Corals build hard exoskeletons that grow to become what?
Example Output: coral reefs

Example Input: Sentence: In a forest, decomposers help other organisms survive because they they put nutrients into the soil that plants use to grow. Question: In a forest, how do decomposers help other organisms survive?
Example Output: They put nutrients into the soil that plants use to grow.

Example Input: Sentence: Rna is studied to understand gene expression patterns in cells. Question: What is studied to understand gene expression patterns in cells?
Example Output:
rna