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: kitchenware 
Words: glass, colander, dish, plate, panel
answer:
panel


question:
Category: bird 
Words: concrete pourer, flamingo, egret, crane, duck
answer:
concrete pourer


question:
Category: guitar part 
Words: fret, jack, emotional upsets, notes, truss rod
answer:

emotional upsets