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: secretary duty 
Words: organize, support, text, sort mail, file

Output: text


Input: Consider Input: Category: mode of transportation 
Words: bus, fly, jog, beetle, drive

Output: beetle


Input: Consider Input: Category: emotional status 
Words: jail time, alright, calm, fine, decent


Output: jail time