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.
--------
Question: Fact: pollen is made by haploid plants. 
Question: what makes pollen?

Answer: haploid plants.


Question: Fact: Scraping oneself on surfaces or things that have germs may cause infection. 
Question: Which of the following may cause infection?

Answer: Germy surfaces.


Question: Fact: T helper cells are more specialized as Memory cells and effector cells. 
Question: memory cells and effector cells are what compared to T helper cells?

Answer:
more specialized.