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.

Input: Consider Input: Fact: amoebae have motility. 
Question: what have motility?

Output: amoebae.


Input: Consider Input: Fact: Nests are used to protect eggs from predators and extreme temperatures. 
Question: What are used to protect eggs from predators and extreme temperatures?

Output: nests.


Input: Consider Input: Fact: Friction causes fires to break out in a home due to temperature. 
Question: Friction can cause fires to break out in a home due to what?


Output: temperature.