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: animal 
Words: ant, walk, bike, fly, dangle

Output: bike


Input: Consider Input: Category: secretary duty 
Words: file, order office supplies, answer, text, type


Output: text