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

Example Input: Most smokers try to quit at least _ or six times before they succeed, researchers say.
Example Output: five

Example Input: Asbestos is the name applied to _ naturally occurring minerals that are mined from the earth.
Example Output: six

Example Input: Genes are difficult to identify because they are hidden amongst only _ per cent of the genome.
Example Output:
five