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: date status 
Words: postponed, timely, early, current, jetstream
Example Output: jetstream

Example Input: Category: alcoholic drinks 
Words: gin, tonic, rum, spider, tequila
Example Output: spider

Example Input: Category: moral characteristic 
Words: harsh, grub, loyalty, frank, concise
Example Output:
grub