You will be given a definition of a task first, then some input of the task.
In this task, you are given a fact statement and question based on the fact. Your task is to generate the correct answer for the question. The answer needs to be generated using the context fact statement.

Fact: being burried under soil and mud changes peat into coal through extreme heat and pressure in a swamp over a long period of time. Question: Peat is an important factor when?
Output:
Putting a fresh raspberry seed in soil