Given a sentence, fill out the missing word with a 'no' or a number (between zero and ten). You should write the numbers with english alphabet, like: four instead of 4.

Ex Input:
Wood consists of ____ distinct fuels.

Ex Output:
two

Ex Input:
Most babies double their birthweight by ____ to five months.

Ex Output:
four

Ex Input:
White bison are extremely rare, historically appearing only once in every ____ million births.

Ex Output:
five