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.

[EX Q]: Fact: Heating with coal can cause air pollution. 
Question: Heating with coal can cause?
[EX A]: air pollution.

[EX Q]: Fact: When seasons change, weather effects change. 
Question: What is changed along with seasons changing?
[EX A]: weather effects.

[EX Q]: Fact: a circle graph can be used to show percents. 
Question: What can a circle graph be used for?
[EX A]:
to show percents.