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.

Example Input: Category: physical activity 
Words: sprint, get down, cow, duck, bow
Example Output: cow

Example Input: Category: emotional status 
Words: down, emotional state, emotional supports, miserable, falling
Example Output: falling

Example Input: Category: poker 
Words: hearts, draw, blind, deck, jab
Example Output:
jab