Given a sentence, fill out the missing word with a 'no' or a number (between zero and ten). You should write the numbers with english alphabet, like: four instead of 4.

Example Input: Carbon atoms are tetravalent, and therefore, can have ____ bonding pairs around each carbon atom.
Example Output: four

Example Input: Brown rice has five times more Vitamin E and ____ times more magnesium.
Example Output: three

Example Input: Life is manifest in ____ distinct states of existence.
Example Output:
four