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 go through ____ instars and a pupa stage before reaching adulthood.
Example Output: three

Example Input: All Jovian planets have rings around their equators and at least ____ moons.
Example Output: eight

Example Input: Electrons tunnel more freely if the ____ fields are aligned.
Example Output:
two