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: widespread 
Words: boring, common, soldier, general, average
Example Output: soldier

Example Input: Category: shady activities 
Words: loosen, smuggled, chocolate, wrongful, fudge
Example Output: chocolate

Example Input: Category: emotional status 
Words: right, emotional supports, down, emotional state, miserable
Example Output:
right