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: Starfish lack respiratory and excretory systems. 
Question: What is an example of an animal that lacks a respiratory and excretory system?
Example Output: Starfish.

Example Input: Fact: Fossils are remnants of ancient life. 
Question: What ancient life remnants are studied?
Example Output: fossils.

Example Input: Fact: if plants become too cold they will die. 
Question: what dies if it becomes too cold?
Example Output:
plants.