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

Ex Input:
Female cats become sexually mature between _ and twelve months of age.

Ex Output:
seven


Ex Input:
Prolactin exists in _ heterogenic forms which possess varying biological activity.

Ex Output:
three


Ex Input:
Reality exists in more than _ dimensions and there are many, many different sexes.

Ex Output:

four