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

Example Input: Faith then has _ elements - knowledge, belief, and trust.
Example Output: three

Example Input: Porcine insulin has _ different amino acid and bovine insulin has three different amino acids.
Example Output: one

Example Input: Surgical abortion is an option for a woman who has been pregnant for _ to fourteen weeks.
Example Output:
seven