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: All matter exists in ____ dimensional space, both internal and external.
Example Output: three

Example Input: Conversations overlap, especially when more than three people try to talk in ____ room.
Example Output: one

Example Input: Sprouts can grow as much as ____ feet per year.
Example Output:
six