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: Shock occurs when there are intense experiences and ____ defenses at all.
Example Output: no

Example Input: Lunar eclipses occur every ____ months, on average.
Example Output:
six