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.

Category: weather 
Words: 70, endure, decent, cold, fair
decent

Category: outdoor sport activity 
Words: dog, swim, hike, hiking, fish
dog

Category: aesthetic characteristic 
Words: handsome, high quality, alright, fine, pretty

alright