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

Example Input: Most women have _ problems getting pregnant with a retroverted uterus.
Example Output: no

Example Input: Women are _ times as likely to develop osteoporosis but men can also develop it.
Example Output: four

Example Input: Summers are hot and dry, winters intensely cold, with snow sometimes lying up to _ months.
Example Output:
three