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: ocean 
Words: late, wave, blue, current, drink

Answer: late


Question: Category: animal 
Words: fish, iguana, canyoning, hamster, horse

Answer: canyoning


Question: Category: chocolate food 
Words: chocolate, smuggled, brownie, fudge, molasses

Answer:
smuggled