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: general, boring, soldier, ubiquitous, average

Answer: soldier


Question: concrete pourer, winch, excavator, hoist, crane

Answer: hoist


Question: deck, knockout, caution, suits, tko

Answer:
suits