In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.

Example Input: Plants have many white flowers with _ petals, giving the plant a white, flat-topped appearance.
Example Output: four

Example Input: Nurses are members of a global community with _ borders or boundaries.
Example Output: no

Example Input: Tadpoles require water for at least three or _ months while completing their aquatic development.
Example Output:
four