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: Malaria kills up to ____ million people each year.
Example Output: two

Example Input: Scientists think that macaws mate for life, producing one to ____ young each year.
Example Output: three

Example Input: Hair loss affects ____ out of three men and one in five women.
Example Output:
one