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

Ex Input:
R is an average of the color rendering ability of _ or more specific colors.

Ex Output:
eight

Ex Input:
Pets also track in pollen, and _ out of every ten people is allergic to cat or dog dander.

Ex Output:
one

Ex Input:
Clovers occasionally have leaves with _ leaflets, instead of the usual three.

Ex Output:
four