instruction:
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.
question:
Category: emotional status 
Words: worried, angry, jack, fret, emotional upsets
answer:
jack


question:
Category: computers 
Words: ram, file, motherboard, organize, folder
answer:
organize


question:
Category: boats 
Words: dock, apron, head, deck, gunwale
answer:

apron