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

Ex Input:
Imago is a group of _ young musicians whose love for music is full of passion.

Ex Output:
four


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

Ex Output:
four


Ex Input:
Fire requires _ components, fuel, ignition and oxygen.

Ex Output:

three