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: type of sandwich 
Words: dagwood, club, doorstep, hamburger, community
Example Output: community

Example Input: Category: widespread 
Words: regular, colonel, typical, ordinary, general
Example Output: colonel

Example Input: Category: activity 
Words: fritter, whittle, divide, misuse, dumpling
Example Output:
dumpling