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: fax, file, format, image, document

Answer: fax


Question: duplex, studio, flat, paved, squashed

Answer: paved


Question: wrongful, fudge, falsehood, chocolate, lie

Answer:
chocolate