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: provision, frank, hot dog, goodies, harsh

Answer: harsh


Question: gated, right there, not open, barred, close

Answer: right there


Question: digger, steam roller, upraise, crane, ostrich

Answer:
ostrich