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: clime, level, cool, tone, fair

Answer: clime


Question: honorable, tangle, clime, make the grade, fair

Answer: honorable


Question: fish, mice, cow, tiger, kayak

Answer:
kayak