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: chocolate food 
Words: cake, cupcake, cream, smuggled, fudge
smuggled

Category: food 
Words: bun, frank, wiener, cheese, precise

precise