Instruction: Given the title, description, feature, price, and brand of a product and a set of target attributes, extract the value of each target attribute from the product information. Output the extracted value and the corresponding source (e.g., title or feature) denoting where the value is extracted.

Input:
Product title: Coaster Home Furnishings Casual Bookcase, Red Cocoa
Product description: Coaster Home Furnishings Casual Bookcase, Cappuccino
Product feature: Coaster Home Furnishings Casual Bookcase, Cappuccino, Coaster Home Furnishings Casual Bookcase, Cappuccino, Coaster Home Furnishings Casual Bookcase, Cappuccino, Coaster Home Furnishings Casual Bookcase, Cappuccino, Coaster Home Furnishings Casual Bookcase, Cappuccino, Coaster Home Furnishings Casual Bookcase, Cappuccino, Coaster Home Furnishings Casual Bookcase, Cappuccino, Coaster Home Furnishings Casual Bookcase, Cappuccino, Coaster Home Furnishings Casual Bookcase, Cappuccino
Product brand: Coaster Home Furnishings
Target attributes: Shelf Material
Answer: attribute: shelf material
value: None
source: None