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: Mercury is the one metal that melts below room temperature. Question: Name the one metal that melts below room temperature?
Example Output: mercury

Example Input: Sentence: There are four valves in the heart. Question: How many valves are in the heart?
Example Output: four

Example Input: Sentence: Air pollution causes acid rain, ozone depletion, and global warming. Question: What causes acid rain, ozone depletion, and global warming?
Example Output:
air pollution