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: glass causes bending of light rays. 
Question: what does glass cause?

Output: bending light rays.


Input: Consider Input: Fact: passive immunity lasts only as long as the antibodies survive in blood. 
Question: passive immunity lasts only as long as the antibodies survive where?

Output: blood.


Input: Consider Input: Fact: Strucutres coil during prophase and are made of DNA and proteins. 
Question: Structures coil when, and are made of DNA and proteins?


Output: during prophase.