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.
--------
Question: Fact: Communications with the outside world can cause people to become distracted. 
Question: What with the outside world can cause people to become distracted?

Answer: communications.


Question: Fact: A vehicle in use requires navigation. 
Question: A vehicle in use requires?

Answer: navigation.


Question: Fact: Heating salt water causes the water to steam while the salt remains. 
Question: What would remain if you were to make a pot of salt water start to steam?

Answer:
salt.