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: Violet Linen Royal Plaid Sheer Scarf, 40" x 216", White
Product description: Soft And Luxurious Plaid Sheer Window Scarf Are In Home In Any Decor; 100Percent Polyester. Machine Washable, Imported,
Product feature: 100% Polyester, Imported, Soft and luxurious plaid sheer window scarf are in home in any decor, Window scarf will add a causal, but Contemporary touch to your home, Each scarf measure 40 inches wide x 216 inches long, Requires standard or decorative curtain rod and brackets for Hanging (not included), 100Percent polyester. Machine washable, imported,
Product price: $20.00
Product brand: Violet Linen
Target attributes: Valance Style
Answer: attribute: valance style
value: None
source: None