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: employment activity 
Words: scold, water, fire, praise, replace

Answer: water


Question: Category: nutritional value 
Words: heavy, protein, fat, sugars, area

Answer: area


Question: Category: accomodation 
Words: even, flat, mansion, paved, cabin

Answer:
paved