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.

Ex Input:
Category: weather 
Words: 70, mild, fair, dishonest, clime

Ex Output:
dishonest


Ex Input:
Category: secretary duty 
Words: errands, schedule appointments, image, make coffee, file

Ex Output:
image


Ex Input:
Category: outdoor sport activity 
Words: cow, climbing, hike, fish, canoe

Ex Output:

cow