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: secretary duty 
Words: order office supplies, sort mail, file, program, type

Answer: program


Question: Category: date status 
Words: current, blue, detestings, up to the moment, history

Answer: blue


Question: Category: outdoor sport activity 
Words: hiking, trap, hamster, fish, climbing

Answer:
hamster