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: hiking, stingray, shark, fish, tiger

Answer: hiking


Question: balanced, well, milky, size, fair

Answer: balanced


Question: early, whirlpool, do tests, detestings, current

Answer:
whirlpool