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: The bonds of that which when heavy is Deuterium cause water to expand when it freezes. 
Question: The bonds of that which when heavy is Deuterium cause what to expand when it freezes?

SOLUTION: water.

PROBLEM: Fact: A bicycle is a vehicle that requires smooth surfaces. 
Question: What kind of surface does a bicycle require to ride on?

SOLUTION: smooth.

PROBLEM: Fact: Seasons are caused by the same reason that one side of the Earth receives less energy from the sun than the other side. 
Question: what are caused by the same reason that one side of the Earth receives less energy from the sun?

SOLUTION:
Seasons.