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: moral characteristic 
Words: frank, stern, bun, concise, precise

Output: bun


Input: Consider Input: Category: military rank 
Words: general, fighter, normal, major, lieutenant

Output: normal


Input: Consider Input: Category: widespread 
Words: general, boring, commander, basic, regular


Output: commander