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: Test wells are drilled to monitor groundwater pollution. Question: What are drilled to monitor groundwater pollution?
Example Output: test wells

Example Input: Sentence: The sporophyte phase is the longest phase in the life of a(n) gymnosperm. Question: The sporophyte phase is the longest phase in the life of what?
Example Output: gymnosperm

Example Input: Sentence: A bow wake is created when the wave source moves faster than the wave propagation speed. Question: What is created when the wave source moves faster than the wave propagation speed?
Example Output:
bow wake