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: Inhibited desire is the most common sexual dysfunction, effecting ____ in three couples.
Example Output: one

Example Input: Milk is a good source of all ____ nutrients.
Example Output: three

Example Input: Iambic tetrameter has ____ such feet, for a total of eight syllables.
Example Output:
four