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.

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

Example Input: Fact: One-celled animals can be partially classified on the basis of how they move. 
Question: Movement is one classification method for what?
Example Output: one-celled animals.

Example Input: Fact: some animals with shells reproduce sexually. 
Question: What types of animals reproduce sexually?
Example Output:
Some animals with shells.