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: if soil is permeable then h2o easily flows through the soil. 
Question: what flows with ease through soil if it's permeable?
Example Output: h2o.

Example Input: Fact: Heat energy makes digestion easier. 
Question: What does heat energy do?
Example Output: makes digestion easier.

Example Input: Fact: Dragonflies have two pairs of wings for flight. 
Question: What generally has two pairs of wings for flight?
Example Output:
dragonflies.