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: You call the movement of a substance from an area of a higher amount toward an area of lower amount diffusion. Question: What do you call the movement of a substance from an area of a higher amount toward an area of lower amount?

Output: diffusion


Input: Consider Input: Sentence: The innate immune system serves as a first responder to pathogenic threats that bypass natural physical and chemical barriers of the body. Question: What serves as a first responder to pathogenic threats that bypass natural physical and chemical barriers of the body?

Output: innate immune system


Input: Consider Input: Sentence: Moving air masses is the main reason for weather change. Question: What is the main reason for weather change?


Output: moving air masses