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: boats 
Words: check, stern, hull, galley, deck
check

Category: weather 
Words: raining, cold, sunny, alright, fair
alright

Category: consumer product 
Words: program, jewelry, disappointed, content, merchandise

disappointed