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.

Input: Consider Input: Category: outdoor sport activity 
Words: kayak, raft, fish, canyoning, dolphin

Output: dolphin


Input: Consider Input: Category: computers 
Words: errands, file, download, text, folder

Output: errands


Input: Consider Input: Category: poker 
Words: galley, fold, draw, queen, deck


Output: galley