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

Ex Input:
Birds bitten by infected mosquitoes are infectious from _ to eight days.

Ex Output:
four


Ex Input:
Most people have a bowel movement anywhere between three times per day to _ times per week.

Ex Output:
three


Ex Input:
Comets are a bit like giant dirty ice-balls with diameters between _ and fifty kilometres.

Ex Output:

five