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: Most ocean waves are caused by wind. Question: Most ocean waves are caused by what?
Example Output: wind

Example Input: Sentence: Animals need plants for food and energy. Question: Animals need plants for food and?
Example Output: energy

Example Input: Sentence: Maintaining a high metabolic rate takes a lot of energy. Question: Maintaining a high metabolic rate takes a lot of what?
Example Output:
energy