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

Example Input: Some manatees have _ or four nails on the tip of each flipper.
Example Output: three

Example Input: Every drug has _ names, a chemical name, a brand name, and an official name.
Example Output: three

Example Input: Most resistors have three coloured bands close together at _ end and one single band at the other.
Example Output:
one