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:
Red pandas have ____ toes that are widely separated and semi-retractable claws.

Ex Output:
five

Ex Input:
Nymphs go through ____ instars and a pupa stage before reaching adulthood.

Ex Output:
three

Ex Input:
Asthma ranks among the top ____ reasons for visiting a doctor.

Ex Output:
ten