TASK DEFINITION: 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.
PROBLEM: Fact: x-rays are used in oncology. 
Question: what are used in oncology?

SOLUTION: x-rays.

PROBLEM: Fact: Beavers cause ponds and lakes to form. 
Question: What can be the cause of lakes and ponds forming?

SOLUTION: beavers.

PROBLEM: Fact: When it floods, the water flows to the lowest level. 
Question: Where does water go when it floods?

SOLUTION:
it flows to a lower level.