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: Stuart Weitzman Womens Positive Cola Brown Suede Knee High 2.5" Heel Boot, Size 9.5 AA, Narrow
Product feature: Product Dimensions: 11 x 8 x 5 inches, Shipping Weight: 2.25 pounds, ASIN: B01846P21I, Date first listed on Amazon: August 27, 2016, Average Customer Review: 2.0 out of 5 stars 1 customer review
Target attributes: Shaft Height
Answer: attribute: shaft height
value: knee high
source: product title