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: falling air  pressure minimizes clouds. 
Question: what does low pressure weather cause?
Example Output: clear air.

Example Input: Fact: Sporangia produce spores that develop into green, photosynthetic gametophytes. 
Question: Sporangia produce spores that develop into what gametophytes?
Example Output: green photosynthetic.

Example Input: Fact: a shadow can be measured by a ruler. 
Question: How can you measure a shadow?
Example Output:
a ruler.