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.

Input: Consider Input: Fact: locusts spread disease and destroy crops. 
Question: What spreads disease and destroy crops?

Output: locusts.


Input: Consider Input: Fact: all vertebrates have jaws. 
Question: what do all vertebrates have?

Output: jaws.


Input: Consider Input: Fact: when rivers slow, sediment is dropped at the mouth of a river by water. 
Question: Sediment is dropped at the mouth of a river by water when what happens?


Output: rivers slow.