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: Chemical energy is stored in the atom bonds. Question: Where is chemical energy stored?
Example Output: atom bonds

Example Input: Sentence: Red-shift refers to a shift toward red in the spectrum from stars. Question: red-shift refers to a shift toward red in the spectrum from what celestial bodies?
Example Output: stars

Example Input: Sentence: There have been five major massive extinctions since life began on earth. Question: How many major massive extinctions have been since life began on earth?
Example Output:
five