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: cool, calm, warm, persistent, level

Output: warm


Input: Consider Input: Category: moral characteristic 
Words: honorable, balanced, fair, pale, trustworthy

Output: pale


Input: Consider Input: Category: poker 
Words: call, knockout, deck, check, queen


Output: knockout