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: order office supplies, sort mail, file, program, type

Answer: program


Question: concerned, strap lock, anxious, bored, fret

Answer: strap lock


Question: goose, egret, crane, pelican, winch

Answer:
winch