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: fish, waggle, fly, dangle, glide
Example Output: glide

Example Input: Category: season 
Words: climb, equinox, summer, fall, hiems
Example Output: climb

Example Input: Category: military rank 
Words: general, colonel, typical, fighter, sargent
Example Output:
typical