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.

Category: shady activities 
Words: cookies, wrongful, fudge, smuggled, smear
cookies

Category: secretary duty 
Words: folder, support, order office supplies, correspondence, file
folder

Category: nutritional value 
Words: calories, calcium, large, fat, iron

large