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: Food waste is transformed into soil-like humus in three to ____ days.
Example Output: seven

Example Input: Maps are ____ dimensional representations of the earth's surface.
Example Output: two

Example Input: Education is compulsory for children between the ages of ____ and ten.
Example Output:
six