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

Ex Input:
Ferrets bite in _ manners.

Ex Output:
two

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

Ex Output:
four

Ex Input:
Diabetic complications develop in nearly a third of patients within _ years of diagnosis.

Ex Output:
ten