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

Example Input: Some women describe their symptoms as feeling about _ months pregnant.
Example Output: four

Example Input: Melanocytes are dendritic and are distributed roughly _ per six basal cells.
Example Output: one

Example Input: Young kiwi continue to grow slowly until they are about _ years old.
Example Output:
four