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: Fresh water biomes are defined by low salt concentration. Question: What are fresh water biomes defined by?
Example Output: low salt concentration

Example Input: Sentence: The specialized study of the motion of objects that are atomic/subatomic in size is called quantum mechanics. Question: The specialized study of the motion of objects that are atomic/subatomic in size is called what?
Example Output: quantum mechanics

Example Input: Sentence: The liver packages nutrients absorbed by the digestive system; produces plasma proteins, clotting factors, and bile; and disposes of worn-out cell components and waste products. Question: What organ packages nutrients absorbed by the digestive system; produces plasma proteins, clotting factors, and bile; and disposes of worn-out cell components and waste products?
Example Output:
liver