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: guitar part 
Words: truss rod, fret, neck, bored, strap lock

Output: bored


Input: Consider Input: Category: secretary duty 
Words: organize, support, text, sort mail, file

Output: text


Input: Consider Input: Category: fried food 
Words: pastry, cake, fritter, blow, apple


Output: blow