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: social gathering 
Words: club, group, meeting, grilled cheese, convention

Answer: grilled cheese


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

Answer: smuggled


Question: Category: police punishment 
Words: fine, jail, prime, probation, happy

Answer:
happy