Given a category and a set of five words, find the word from the set that does not belong (i.e. is the least relevant) with the other words in the category. Words are separated by commas.
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Question: Category: social gathering 
Words: place, bar, doorstep, club, outing

Answer: doorstep


Question: Category: police punishment 
Words: flyaway, jail time, ok, arrest, fine

Answer: ok


Question: Category: kitchenware 
Words: spoon, glass, bowl, lead, cup

Answer:
lead