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

Input: Consider Input: Blood pressure is expressed as _ different numbers.

Output: two


Input: Consider Input: Black adults have three to _ times greater incidence of bacteremia, compared with white adults.

Output: five


Input: Consider Input: Many prosimians have at least _ nipples and produce litters rather than a single offspring.


Output: four