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

Example Input: Carbon dioxide accounts for _ fourths of the predicted increase in the greenhouse effect.
Example Output: three

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

Example Input: White bait is a small _ to four inch fish with white sides and a greenish back.
Example Output:
three