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: magnets are used to navigate oceans. 
Question: What are used to navigate oceans?

Output: magnets.


Input: Consider Input: Fact: Protective equipment is used for protecting the eyes during experiements. 
Question: What is used for protecting the eyes during experiements?

Output: protective equipment.


Input: Consider Input: Fact: Ribonucleic acid is a small molecule that can squeeze through pores in the nuclear membrane. 
Question: What is the small molecule that can squeeze through the pores of the nuclear membrane?


Output: ribonucleic acid.