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: season 
Words: climb, equinox, summer, fall, hiems

Ex Output:
climb


Ex Input:
Category: baby animals 
Words: follow, colt, fawn, cub, calf

Ex Output:
follow


Ex Input:
Category: date status 
Words: current, timely, history, prompt, jetstream

Ex Output:

jetstream