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


question:
Category: nutritional value 
Words: heavy, protein, fat, sugars, area
answer:
area


question:
Category: animal 
Words: cockroach, grasshopper, bus, fly, swim
answer:

bus