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: emotional status 
Words: angry, joyful, tools, fearful, content

Output: tools


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

Output: text


Input: Consider Input: Category: aesthetic characteristic 
Words: variety, well, fair, light, 70


Output: 70