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: fair, raining, trustworthy, endure, 70

Answer: trustworthy


Question: deck, tko, rudder, level, corner

Answer: rudder


Question: excavator, steam roller, concrete pourer, swallow, crane

Answer:
swallow