Given a category and a set of five words, find the word from the set that does not belong (i.e. is the least relevant) with the other words in the category. Words are separated by commas.

Example Input: Category: computers 
Words: download, file, order office supplies, document, motherboard
Example Output: order office supplies

Example Input: Category: personal characteristic 
Words: cool, calm, warm, persistent, level
Example Output: warm

Example Input: Category: moral characteristic 
Words: wiener, honesty, concise, frank, harsh
Example Output:
wiener