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: physical property 
Words: fat, angular momentum, ugly, capacitance, fiber

Answer: fiber


Question: Category: physical activity 
Words: trip, jump, fall, equinox, exercise

Answer: equinox


Question: Category: emotional status 
Words: annoyed, well, calm, high quality, fine

Answer:
high quality