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: chocolate food 
Words: rich, molasses, fudge, brownies, wrongful

Output: wrongful


Input: Consider Input: Category: nutritional value 
Words: fat, protein, vitamin c, fiber, area

Output: area


Input: Consider Input: Category: police punishment 
Words: wispy, prime, arrest, comfortable, fine


Output: comfortable