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: 3 1/4" Fitter Sandblasted Crystal Pendant Shade
Product description: Hailing from the Art deco era, this pendant shade has an embossed plume pattern set against a ribbed field. Made of high quality crystal glass with a sandblasted interior, which accentuates the details when lit. Ideal for pendants and flush ceiling fixtures. Dimensions: 6 1/2" H x 6" W. Fitter: 3 1/4" How are glass lamp shades measured?
Product feature: Authentic Reproduction of Classic Style, Genuine High Quality Glass, Inside Sandblast with Glossy Exterior, Great for Pendants and Flush Ceiling Fixtures
Product price: $31.99
Product brand: B&P Lamp
Target attributes: Material
Answer: attribute: material
value: glass
source: product feature
attribute: material
value: glass
source: product description