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: cats may compete for territory, water, food, or mates. 
Question: what may compete for territory, water, food, or mates?

Output: cats.


Input: Consider Input: Fact: A plant requires leaves for survival. 
Question: What is required by a plant for surival?

Output: leaves.


Input: Consider Input: Fact: Skin color may be influenced by environmental factors. 
Question: What may be influenced by environmental factors?


Output: skin color.