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: boxing terminology 
Words: pack, level, deck, corner, jab

Output: pack


Input: Consider Input: Category: secretary duty 
Words: fax, program, file, make coffee, answer

Output: program


Input: Consider Input: Category: moral characteristic 
Words: light, fine, fair, balanced, dishonest


Output: light