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: fried food 
Words: blueberry, fritter, dally, skin, danish
Example Output: dally

Example Input: Category: employment activity 
Words: replace, ice, fire, ban, hire
Example Output: ice

Example Input: Category: emotional status 
Words: beautiful, relaxed, alert, fine, calm
Example Output:
beautiful