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: Of course, a net external force is needed to cause any acceleration, just as newton proposed in his second law of motion. Question: Of course, a net external force is needed to cause any acceleration, just as newton proposed in his second law of what?
Example Output: motion

Example Input: Sentence: No reaction happens when alkanes are mixed with oxygen at room temperature. Question: What happens when alkanes are mixed with oxygen at room temperature?
Example Output: no reaction

Example Input: Sentence: The outer layer of the sun is made up of plasma. Question: What is the outer layer of the sun made up of?
Example Output:
plasma