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

Ex Input:
Chicks take _ years to develop full adult plumage.

Ex Output:
five

Ex Input:
Adolescent suicide is approximately _ times higher than the national average.

Ex Output:
three

Ex Input:
HOD usually shows up as an acute lameness, often seeming to affect all _ legs simultaneously.

Ex Output:
four