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: Some bird feeders have ____ perches at all, but neither do tree trunks.
Example Output: no

Example Input: Power is derived from ____ sources, money and people.
Example Output: two

Example Input: Flake graphite can be ____ times the price of amorphous.
Example Output:
four