In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.

Example Input: Y are _ morphisms and g is quasi-compact and surjective.
Example Output: two

Example Input: Many Asian countries deny entry to travelers whose passports are valid for less than _ months.
Example Output: six

Example Input: Malnutrition already is a cause of over a third of deaths of children under _ in Africa.
Example Output:
five