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: Most spiders have eight eyes and ____ legs.
Example Output: eight

Example Input: Green energy comes in ____ basic forms.
Example Output: two

Example Input: Cuttlefish have eight arms and ____ tentacles.
Example Output:
two