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: Trees need the vascular to transport nutrients. Question: What system do trees need to transport nutrients?
Example Output: vascular

Example Input: Sentence: Atoms make products by rearranging their chemical bonds in a reactant. Question: What do atoms make by rearranging their chemical bonds in a reactant?
Example Output: products

Example Input: Sentence: Centripetal force is the force that causes centripetal acceleration. Question: What is the force that causes centripetal acceleration?
Example Output:
centripetal force