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.
--------
Question: Fact: all vertebrates have jaws. 
Question: what do all vertebrates have?

Answer: jaws.


Question: Fact: Toyota causes pollution. 
Question: What causes pollution?

Answer: Toyota.


Question: Fact: carbon may be stored in limestone for million of years. 
Question: where might carbon be stored for million of years?

Answer:
limestone.