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.

Input: Consider Input: Sentence: Diffusion is the process in which a substance naturally moves from an area of higher to lower concentration. Question: What is the process in which a substance naturally moves from an area of higher to lower concentration called?

Output: diffusion

Input: Consider Input: Sentence: Meteorites are often comprised of remnants of the earliest material that formed in the solar system. Question: What astronomical phenomenon is often comprised of remnants of the earliest material that formed in the solar system?

Output: meteorites

Input: Consider Input: Sentence: Unpolarized light type of light is composed of many rays having random polarization directions. Question: What type of light is composed of many rays having random polarization directions?
Output: unpolarized light