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

Ex Input:
Many prosimians have at least _ nipples and produce litters rather than a single offspring.

Ex Output:
four


Ex Input:
Indoor cats can live up to _ times longer than an outdoor cat.

Ex Output:
seven


Ex Input:
Atoms are the building blocks of matter and they are composed of _ particle types.

Ex Output:

three