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: vitamin c, salt, sugar, fat, big boned
answer:
big boned


question:
Category: secretary duty 
Words: answer calls, file, correspondence, document, fax
answer:
document


question:
Category: widespread 
Words: general, private, boring, typical, popular
answer:

private