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 activity 
Words: summer, roll, plummet, fall, exercise

Answer: summer


Question: Category: emotional status 
Words: fine, relaxed, comfortable, prime, content

Answer: prime


Question: Category: date status 
Words: data sets, delayed, blue, prompt, current

Answer:
blue