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: weather 
Words: brisk, ghostly, windy, fair, deal
answer:
ghostly


question:
Category: nutritional value 
Words: sugar, calories, iron, fat, area
answer:
area


question:
Category: computers 
Words: text, errands, ram, document, file
answer:

errands