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: Fruit is a silique opening by ____ valves.
Example Output: two

Example Input: Threshold is a value to avoid ____ divide.
Example Output: zero

Example Input: Coordinates have an implied ____ decimal places.
Example Output:
six