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: Safavieh Retro Collection RET2143-2873 Dark Brown and Eggplant Area Rug, 5 feet by 8 feet (5' x 8')
Product description: The Safavieh Retro Collection features stylish colors and fetching designs, giving these beautiful rugs a creative style that's sure to bring life to any room. The soft, polypropylene fibers provide a dense pile, designed to withstand high-traffic living rooms, dining spaces and hallways. These easy-to-care-for rugs offer a burst of moden elegance wherever it's placed. Use it to brighten up a living room, bedroom or office with casual elegance.
Product feature: The high-quality polypropylene pile fiber adds durability and longevity to these rugs., The powerloomed construction add durability to this rug, ensuring it will be a favorite for a long time., The modern style of this rug will give your room a elegant accent, This rug measures 5' x 8', For over 100 years, Safavieh has been crafting rugs of the higest quality and unmatched style
Product price: $21.30
Product brand: Safavieh
Target attributes: Shape
Answer: attribute: shape
value: None
source: None