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

Ex Input:
Diffusion occurs between the capillaries of the _ blood supplies.

Ex Output:
two


Ex Input:
Zeolites have basically _ different structural variations.

Ex Output:
three


Ex Input:
Infected rabbits die within a week or _ days following the onset of the illness.

Ex Output:

ten