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: most bigger cities require vehicles. 
Question: What do most bigger cities require?

Output: vehicles.


Input: Consider Input: Fact: When seasons change, weather effects change. 
Question: What is changed along with seasons changing?

Output: weather effects.


Input: Consider Input: Fact: Creatures will move to another habitat if there is little food. 
Question: What needs to be lacking for a creature to change habitat?


Output: food.