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: moral characteristic 
Words: light, unprejudiced, honorable, fair, unjust

Answer: light


Question: Category: consumer product 
Words: content, books, thing, program, jealous

Answer: jealous


Question: Category: window material 
Words: glass, panel, plate, handle, woodwork

Answer:
plate