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

Input: Consider Input: Children are almost _ times as likely to smoke if their parents do.

Output: three

Input: Consider Input: Osteoporosis is _ to four times more common in woman than men.

Output: three

Input: Consider Input: Dens are of _ types depending on water level fluctuations.
Output: two