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: Snails reproduce sexually. 
Question: Which of the following organisms would reproduce sexually and not asexually?
[EX A]: snail.

[EX Q]: Fact: humans require energy for growth. 
Question: what requires energy for growth?
[EX A]: humans.

[EX Q]: Fact: Classifying minerals requires scratching those materials. 
Question: What must be done to classify minerals?
[EX A]:
scratch them.