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: pines have a positive impact on an ecosystem. 
Question: what has a positive impact on an ecosystem?
Example Output: pines.

Example Input: Fact: running requires a lot of calories. 
Question: What does the body use while running?
Example Output: Calories.

Example Input: Fact: Bees need flowers to make honey. 
Question: From what part of the plant do bees collect the substance they need to make honey?
Example Output:
Flowers.