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: baby animals 
Words: fawn, deer, buck, kitten, cajole

Output: cajole


Input: Consider Input: Category: geographical property 
Words: studio, hill, flat, even, horizontal

Output: studio


Input: Consider Input: Category: employment activity 
Words: burn, instruct, fire, replace, promote


Output: burn