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: food 
Words: honesty, meat, hot dog, sausage, frank
Example Output: honesty

Example Input: Category: emotional status 
Words: down, emotional state, loveful, ashamed, flat
Example Output: flat

Example Input: Category: emotional display 
Words: fawn, follow, love, swoon, woods
Example Output:
woods