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: Nails prevent injury by forming protective plates over distal ends. 
Question: Nails prevent injury by forming protective plates over what ends?
Example Output: distal.

Example Input: Fact: comparators, flats, and microscopes could be used for observing materials up close. 
Question: comparators, flats, and microscopes could be used for observing materials how?
Example Output: up close.

Example Input: Fact: Anenomes and coral are invertebrates. 
Question: An example of invertebrates are?
Example Output:
anenomes and coral.