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: Kinetic energy consists of ____ types of energies.
Example Output: three

Example Input: Irrigation can increase land productivity by three to ____ times, especially in the north.
Example Output: seven

Example Input: Downhill skiers are ____ times as likely to be golfers as the public at large.
Example Output:
three