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: Chinese Laundry Kristin Cavallari Women's Cadence Ballet Flat
Product feature: 100% Modern Leopard Pony, Imported, 100% FAUX FUR, Synthetic sole, Two-piece flat with asymmetric topline opening, Lightly padded footbed, Package Dimensions: 12.5 x 5.4 x 4.1 inches, Shipping Weight: 1.4 pounds, ASIN: B00IZCQG6W, Item model number: Cadence, Date first listed on Amazon: May 10, 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: 4.0 out of 5 stars 4 customer reviews
Target attributes: Heel Height
Answer: attribute: heel height
value: flat
source: product title
attribute: heel height
value: flat
source: product feature