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: Chooka Men's Dueling Skulls Rain Boot
Product description: Chooka boots and slippers are the new old favorites that you will reach for time and again. Function, fashion and comfort all meet right on your feet with every pair of Chooka boots.
Product feature: 100% Rubber, Rubber sole, Shaft measures approximately 14" from arch, Boot opening measures approximately 18" around, Cotton-knit lining, Cotton-knit lining, Heavy treaded outsole, Removable insole, Package Dimensions: 14 x 5 x 5 inches, Shipping Weight: 2 pounds, ASIN: B0016P3U1E, Item model number: Dueling Skulls, Date first listed on Amazon: July 18, 2008, Domestic Shipping: Item can be shipped within U.S., International Shipping: This item is not eligible for international shipping. Learn More, Average Customer Review: 3.0 out of 5 stars 1 customer review
Target attributes: Boot Style
Answer: attribute: boot style
value: rain boot
source: product title