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: heavy, protein, fat, sugars, area
answer:
area


question:
Category: employment activity 
Words: ban, fire, empower, sack, ground
answer:
ground


question:
Category: type of sandwich 
Words: club, place, lettuce, hero, grilled cheese
answer:

place