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: Change in momentum in an object is equivalent to impulse . Question: Change in momentum in an object is equivalent to what other measurement?
Example Output: impulse

Example Input: Sentence: Most of the energy used by living things comes either directly or indirectly from the sun. Question: Most of the energy used by living things comes either directly or indirectly from what?
Example Output: the sun

Example Input: Sentence: The ears are an external feature in human beings is responsible for balance. Question: What external feature in human beings is responsible for balance?
Example Output:
ears