You will be given a definition of a task first, then some input of the task.
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.

Sentence: The average global temperature has been rising since the end of pleistocene era. Question: The average global temperature has been rising since the end of what era?
Output:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
pleistocene