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: Elegant Venetian Wall Mirror in Beveled Finish
Product description: New, attractively styled products place a high premium on quality, detail and rich, elegant design
Product feature: Mirror: Clear mirror, Collection: Venetian, Color: Clear, L27.2 x D1 x H45.7 Weights: 37 LBS, Hand Made with Solid Wood Frame Construction
Product brand: Elegant Lighting & Furniture
Target attributes: Shape
Answer: attribute: shape
value: None
source: None