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: Mental illness enters the lives of at least one in ____ families.
Example Output: four

Example Input: Sapsuckers are a group of ____ species known for literally drinking the sap of trees.
Example Output: four

Example Input: China lies in ____ AEZs, all of which are subtropical and include some temperate areas.
Example Output:
four