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

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

Example Input: Mice are fertile animals because female mice come into heat every _ to five days.
Example Output: four

Example Input: Lobsters have _ walking legs and two legs bearing claws.
Example Output:
eight