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: animal 
Words: goat, cat, fish, hamster, hunting

Answer: hunting


Question: Category: guitar part 
Words: truss rod, fret, neck, bored, strap lock

Answer: bored


Question: Category: outdoor sport activity 
Words: hike, trap, hunt, hamster, fish

Answer:
hamster