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.

[Q]: Fact: a process that reduces the amount of bacteria pickles does the same in milk. 
Question: a process that reduces the amount of bacteria in what does the same in milk?
[A]: pickles.


[Q]: Fact: a light bulb is used for seeing at night. 
Question: a light bulb is used for seeing?
[A]: at night.


[Q]: Fact: Water vapor cooling can cause clouds to form. 
Question: What can form when water vapor cools?
[A]:
Clouds.