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: animal 
Words: waggle, drive, fly, bee, dive

Output: drive


Input: Consider Input: Category: ocean 
Words: signal, timely, brine, flow, current

Output: timely


Input: Consider Input: Category: moral characteristic 
Words: concise, brash, integrity, cheese, frank


Output: cheese