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: police punishment 
Words: probation, jail, arrest, fine, beautiful
beautiful

Category: shady activities 
Words: falsehood, banned, heavy, unlicensed, fudge
heavy

Category: food 
Words: concise, frank, goodies, wiener, grub

concise