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

Ex Input:
Transitional milk is secreted between about four days and _ days postpartum.

Ex Output:
ten

Ex Input:
Cats There are thirty _ recognised species of cats and a whole host of subspecies or races.

Ex Output:
five

Ex Input:
Cats have _ toes in the forepaws and four in the hind paws.

Ex Output:
five