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: computers 
Words: prepare, space, file, image, ram
answer:
prepare


question:
Category: chocolate food 
Words: replace, fudge, cupcake, heavy, cream
answer:
replace


question:
Category: body part 
Words: foot, hand, inch, head, leg
answer:

inch