Instruction: First, identify the target attributes from the provided list. Then, scan the product title, description, feature, and brand to extract the values associated with each target attribute. Finally, create a list of dictionaries, each containing the extracted attribute, its corresponding value, and the source where it was found.

Input:
Product title: Realspace(R) Magellan 8-Cube Bookcase, Classic Cherry
Product description: Combining form and function, the Realspace Magellan cube bookcase adds a modern look to your office. The cube-shaped design provides ample space for your books, mementos and more, while offering an attractive look. Offers plenty of storage to display your books, mementos and more. Cherry wood bookcase adds a touch of style to the room. 8-cube bookcase helps you showcase your favorite family photos. Strong MDF construction ensures that this medium cherry bookcase can safely support books, decorative items and office supplies.
Product feature: Die-cut backs are great for cord management
Product price: $155.50
Product brand: Realspace
Target attributes: Shelf Material
Answer: attribute: shelf material
value: wood
source: product description