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: Rampage Women's Sharlene Slip-On Loafer
Product description: Easy slip-on silhouette. Smooth man-made lining. Lightly padded footbed. Jute-wrapped midsole. Man-made outsole. Imported., RAMPAGE caters to the young contemporary woman, offering her eclectic, fashion-forward products to wear in every aspect of her constantly evolving lifestyle. The RAMPAGE customer is inspired by celebrities and has a huge appetite for designer inspiration.
Product feature: 100% Canvas, Rubber sole, Package Dimensions: 11.7 x 5.1 x 4 inches, Shipping Weight: 12.8 ounces, ASIN: B00GC0POU8, Item model number: Sharlene, Date first listed on Amazon: April 11, 2014, Domestic Shipping: Item can be shipped within U.S., International Shipping: This item is not eligible for international shipping. Learn More, Average Customer Review: 3.7 out of 5 stars 35 customer reviews
Target attributes: Silhouette
Answer: attribute: silhouette
value: loafer
source: product title