Write a correct answer to the given question based on its associated fact. Make sure that your answer is contained in the associated fact. Don't be creative and introduce any new word that is not mentioned in the associated fact! Remember that the associated fact has been rearranged to form the question. So, the correct answer words must lie within the associated fact. The correct answer can be a word, phrase, or even a sentence.

Example Input: Fact: When a population suddenly gets much smaller the effects are unpredictable. 
Question: What is the effect of a population suddenly getting much smaller?
Example Output: it is unpredicatbale.

Example Input: Fact: large animals that roamed the earth were replaced with mammals after their extinction. 
Question: large animals that roamed the earth were replaced with what after their extinction?
Example Output: mammals.

Example Input: Fact: The change of the Earth's distance from the sun causes the amount of daylight to decrease. 
Question: The change of the Earth's distance from the sun causes the amount of what to decrease?
Example Output:
daylight.