Given a set of five words, generate the word from the set that does not belong (i.e. is the least relevant) with the other words. Words are separated by commas.
--------
Question: sergeant, general, standard, plain, ordinary

Answer: sergeant


Question: size, unjust, tone, fair, medium

Answer: unjust


Question: cupcake, rich, smuggled, fudge, cake

Answer:
smuggled