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: emotional display 
Words: fawn, antling, lust, suppressed, love
Example Output: antling

Example Input: Category: aesthetic characteristic 
Words: mild, fair, texture, even, milky
Example Output: mild

Example Input: Category: ocean 
Words: tide, belated, signal, current, jetstream
Example Output:
belated