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: Smooth muscle regulates air flow in lungs. Question: Which kind of muscle regulates air flow in lungs?
Example Output: smooth

Example Input: Sentence: The name of positive ion ion always comes first. Question: The name of which ion always comes first?
Example Output: positive ion

Example Input: Sentence: The behavior of ideal gases is explained by kinetic molecular theory. Question: The behavior of ideal gases is explained by what theory of gases?
Example Output:
kinetic molecular theory

