Instruction: Extract the value of the target attribute from the given product information and output it along with the corresponding source.

Input:
Product title: Estrella Bookcase with 4 Open Shelves Antique Nutmeg and Gunmetal
Product description: Whether your style is rustic or industrial, this bookcase is the best of both worlds. Its simple silhouette adds classic sensibility to a living room, bedroom, or office. Its shelves are finished in a natural shade of antique nutmeg for a touch of rustic charm. Its look is brought together by a sleek, metal frame in a gunmetal finish. With its no-nonsense appeal, this bookcase blends effortlessly with a traditional style of home decor.
Product feature: Set includes: One (1) bookcase, Materials: MDF, veneer paper and metal, Finish Color: Antique Nutmeg and Gunmetal, Assembly Required: No
Product price: $28.39
Product brand: Coaster Home Furnishings
Target attributes: Style
Answer: attribute: style
value: None
source: None