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

Example Input: Arthritis is the leading cause of disability in the state affecting about one in _ adults.
Example Output: three

Example Input: English peas are about _ feet high and blooming.
Example Output: two

Example Input: Lizards have external ear openings, unlike snakes which have _ openings at all.
Example Output:
no