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: lightning ignites fires. 
Question: what can lightning ignite?

Output: fires.


Input: Consider Input: Fact: Turbines are used to producing electricity. 
Question: turbines are used to what?

Output: produce electricity.


Input: Consider Input: Fact: a ship is used for moving people across oceans. 
Question: what does a ship move people across?


Output: oceans.