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: 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?
Example Output: stress

Example Input: Sentence: In budding , organisms reproduce by having new individuals split off from existing ones. Question: In budding , organisms reproduce by having new individuals split off from what?
Example Output: existing ones

Example Input: Sentence: Medulla is the region known as the myelencephalon in the embryonic brain. Question: What is the region known as the myelencephalon in the embryonic brain?
Example Output:
medulla