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

Answer: lead


Question: Category: boats 
Words: hull, deck, rudder, check, lifeline

Answer: check


Question: Category: boxing terminology 
Words: corner, deck, blocking, punch, bridge

Answer:
bridge