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: personal characteristic 
Words: cold, positive, calm, assured, cool

Output: cold


Input: Consider Input: Category: secretary duty 
Words: errands, fax, file, type, ram

Output: ram


Input: Consider Input: Category: moral characteristic 
Words: loyal, fair, well, balanced, warm


Output: warm