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: stern, frank, brash, loyalty, goodies

Output: goodies


Input: Consider Input: Category: social gathering 
Words: meeting, cinema, club, group, submarine

Output: submarine


Input: Consider Input: Category: ocean 
Words: dastards, flow, current, blue, signal


Output: dastards