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.

Example Input: Rhinos are herbivores with barrel shapedbodies, thick legs and feet with ____ toes.
Example Output: three

Example Input: Rattlesnakes breed only every ____ to three years.
Example Output: two

Example Input: Rice is a fair source of protein containing all ____ essential amino acids.
Example Output:
eight