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.
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Question: jog, waggle, pounce, fly, bats

Answer: jog


Question: jack, string, crying, neck, fret

Answer: crying


Question: car, bird, bats, fly, cockroach

Answer:
car