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: Nymphs reach maturity in five to ____ months, with faster maturation at higher temperatures.
Example Output: ten

Example Input: Knee arthroscopy is used basically in ____ ways.
Example Output: three

Example Input: Infertility affects ____ in five couples today.
Example Output:
one