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: Niobium occurs primarily in ____ minerals, columbite and pyrochlore.
Example Output: two

Example Input: Plants produce seed at ____ years of age.
Example Output: eight

Example Input: Fruit is an excellent source of fiber, vitamins and minerals, and has ____ fat.
Example Output:
zero