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

Ex Input:
Most amphibians reach maturity at _ or four years.

Ex Output:
three

Ex Input:
Mountain zebras can live up to _ days without drinking water.

Ex Output:
three

Ex Input:
Octopuses use their _ sucker-lined arms to capture their prey and move about on the ocean floor.

Ex Output:
eight