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: consumer product 
Words: joyful, program, activity, food, content
answer:
joyful


question:
Category: guitar part 
Words: fret, concerned, jack, notes, amp
answer:
concerned


question:
Category: kitchenware 
Words: cup, spoon, handle, knifer, glass
answer:

handle