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: military rank 
Words: sargent, ordinary, captain, colonel, general

Answer: ordinary


Question: Category: personal characteristic 
Words: cold, positive, calm, assured, cool

Answer: cold


Question: Category: animal 
Words: leap, jog, swim, bee, fly

Answer:
jog