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

Example Input: Rattlers carry the eggs for six or _ months before giving birth.
Example Output: seven

Example Input: Diatoms look like _ shells that fit together.
Example Output: two

Example Input: Psychoanalysis is an intensive form of psychotherapy that meets _ to five times a week.
Example Output:
four