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.

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

A: five
****
Q: Nitric oxide serves ____ main functions in the body.

A: three
****
Q: Mexican tradition calls for ____ days of mourning.

A:
nine
****