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.

Fact: Smog is an airborne pollutant. 
Question: What is an airborne pollutant?
Smog.

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?
carbohydrates.

Fact: fungi are multicellular. 
Question: What are fungi?

multicellular.