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

Example Input: Gestation is _ to nine months long, after which a single calf is born.
Example Output: eight

Example Input: Pollination is accomplished only by insect-agency, and where insects fail _ fruits are ripened.
Example Output: no

Example Input: Large nests provide a home for up to _ million insects.
Example Output:
five