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: nutritional value 
Words: fat, protein, vitamin c, fiber, area

Output: area


Input: Consider Input: Category: secretary duty 
Words: answer calls, image, organize, file, correspondence

Output: image


Input: Consider Input: Category: moral characteristic 
Words: fair, unjust, medium, equitable, alright


Output: medium