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: green plants convert carbon dioxide, water, and solar energy into carbohydrates for themselves. 
Question: green plants convert water, solar energy, and carbon dioxide into what?
Example Output: carbohydrates.

Example Input: Fact: Chromosomes are units of information causing traits to be passed down to offspring. 
Question: Chromosomes are units of information causing traits to be what to offspring?
Example Output: passed down.

Example Input: Fact: sand is formed by weathering. 
Question: What does weathering do?
Example Output:
form sand.