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

Example Input: Skin cancer affects one in _ people in the United States over a lifetime.
Example Output: six

Example Input: Roundworms are fairly large worms that can grow to be _ or five inches long.
Example Output: four

Example Input: Most Placentals possess _ orbital glands.
Example Output:
two