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: Calculations are described showing conversions between molar mass and density for gases. Question: Calculations are described showing conversions between molar mass and what for gases?
Example Output: density

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

Example Input: Sentence: The sternum is the name of the elongated bony structure that anchors the anterior thoracic cage. Question: What is the name of the elongated bony structure that anchors the anterior thoracic cage?
Example Output:
sternum