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: Lucchese Men's Landon Caiman Tail Cowboy Boot Narrow Square Toe Tan 10.5 EE US
Product description: Sharp stitching designs, exotic Caiman Tail leather, and genuine calf leather make this Lucchese boot an instant classic for your wardrobe. Available in tan, barrel brown, and black. Handmade in Mexico since 1883.
Product feature: Leather, Made With Genuine Caiman Tail Leather And Calf Leather, Leather sole, 13" shaft, Package Dimensions: 19 x 14 x 6 inches, Shipping Weight: 4 pounds, ASIN: B00M414MFC, Date first listed on Amazon: November 24, 2014, Average Customer Review: 3.0 out of 5 stars 1 customer review
Product brand: Lucchese
Target attributes: Boot Style
Answer: attribute: boot style
value: cowboy
source: product title