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: hot, optimist, cool, calm, relaxed

Answer: hot


Question: egret, mallet, tackle, davit, crane

Answer: tackle


Question: balanced, fair, ok, unjust, flaxen

Answer:
flaxen