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: Report Signature Women's Cash Huarache Sandal
Product description: Specializing in fashionable women's footwear, Report collections pair innovative design with versatility and style. Report shoes are perfect for girls of any age -- for dressing up or keeping it casual. Cutting edge Report styles have also been featured in Teen Vogue, Cosmo Girl, Seventeen, Nylon, and Glamour.
Product feature: 100% Cow fur and manmade, Imported, Synthetic sole, Heel measures approximately 0.5", Multicolor toe-ring sandal featuring patterned asymmetric strap at center and metallic trim at sole, Adjustable buckle at ankle, Package Dimensions: 11.8 x 7.3 x 4.1 inches, Shipping Weight: 1.35 pounds, ASIN: B00R34PL0A, Item model number: Cash, Date first listed on Amazon: April 8, 2015, Average Customer Review: 4.6 out of 5 stars 9 customer reviews
Product brand: Report Signature
Target attributes: Silhouette
Answer: attribute: silhouette
value: None
source: None