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.

Ex Input:
Fact: Passenger pigeons could not produce enough offspring. 
Question: What could not produce enough offspring?

Ex Output:
passenger pigeons.


Ex Input:
Fact: a mold spore has a negative impact on breathing. 
Question: A mold spore has a negative impact on what?

Ex Output:
breathing.


Ex Input:
Fact: A device to measure wind is placed at the top of a station. 
Question: Where is the device to measure wind placed?

Ex Output:

At the top of a station.