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: Humans grow with ____ sets of teeth.
Example Output: two

Example Input: Female mealybugs have only ____ nymphal stages.
Example Output: three

Example Input: Salsa works on the basis of Mambo - a pattern of six steps danced over ____ counts of music.
Example Output:
eight