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: Millipedes have ____ pairs of legs on each body segment.
Example Output: two

Example Input: All Jovian planets have rings around their equators and at least ____ moons.
Example Output: eight

Example Input: Time series are annual data for ____ years prior to the latest year.
Example Output:
five