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: emotional status 
Words: down, emotional upsets, disgusted, shameful, sliding

Output: sliding


Input: Consider Input: Category: nutritional value 
Words: heavy, protein, fat, sugars, area

Output: area


Input: Consider Input: Category: weather 
Words: fine, warm, windy, fair, make the grade


Output: fine