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: ocean 
Words: late, wave, blue, current, drink
Example Output: late

Example Input: Category: moral characteristic 
Words: concise, brash, integrity, cheese, frank
Example Output: cheese

Example Input: Category: emotional status 
Words: fret, frustrated, emotionalities, worried, output cord
Example Output:
output cord