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: running., close, bordering, nearer, touching

Answer: running.


Question: amalgamated, firm, unyielding, shareholders, ceo

Answer: unyielding


Question: keys, program, schedule, file, download

Answer:
schedule