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: Maltipoo Gray Cotton Dog Novelty Socks for Adults 9-11
Product description: Lightweight Stretch Cotton 90-94% Cotton, 3% Nylon, 3% Spandex Shrinkage is not an issue! Each pair are made with high quality soft cotton and have great stretching power wash after wash. The colorful motifs certainly make a fashion statement!
Product feature: Shoe Size 9-11, Lightweight Stretch Cotton, 90-94% Cotton, 3% Nylon, 3% Spandex, Shrinkage is not an issue!, Each pair are made with high quality soft cotton and have great stretching power wash after wash., Product Dimensions: 6 x 3 x 0.1 inches, Shipping Weight: 1.6 ounces, ASIN: B0064R4AJ0, Item model number: PH1089, Date first listed on Amazon: November 8, 2011, Average Customer Review: 4.3 out of 5 stars 3 customer reviews
Product brand: WHD
Target attributes: Style
Answer: attribute: style
value: None
source: None