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

Ex Input:
Sierra County has _ different regions.

Ex Output:
two


Ex Input:
Jurassic rocks have _ outcrops in the area but they are identified by bore holes.

Ex Output:
no


Ex Input:
Titanium is found in column _ along with chemically similar zirconium, hafnium, and thorium.

Ex Output:

four