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: colonel, ordinary, standard, ubiquitous, general

Answer: colonel


Question: cold, deal, make the grade, unprejudiced, fair

Answer: unprejudiced


Question: horse, trap, tiger, sea turtle, fish

Answer:
trap