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: Telephones are used for communication by transmitting audible waves. 
Question: Telephones are used for communication by transmitting what?
Example Output: audible waves.

Example Input: Fact: Some parasites survive on the surface of their host. 
Question: Where so parasites go to survive?
Example Output: on a host.

Example Input: Fact: If a planet becomes too hot then the planet is unable to keep a healthy, thriving native population. 
Question: A healthy, thriving native population will cease to exist on a planet if it becomes too what?
Example Output:
hot.