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: Mountain building and earthquakes are some of the responses of rocks when subected to stress. Question: Mountain building and earthquakes are some of the responses of rocks when subected to what?

Output: stress


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: You call air flowing over earth’s surface wind. Question: What do you call air flowing over earth’s surface?


Output: wind