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: animal 
Words: dangle, fly, run, car, pounce
Example Output: car

Example Input: Category: guitar part 
Words: neck, strap lock, fret, angry, notes
Example Output: angry

Example Input: Category: fried food 
Words: dessert, fritter, spend, patty, dumpling
Example Output:
spend