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: Ellie Shoes Women's 5 inch Heel Knee High Sandal
Product description: 5 Inch High Heel With 1 Inch Square Toe Platform Knee High
Product feature: Polyurethane, Ellie Shoes E-502-Holly, 5" Heel Knee High Sandal., Color: Black PU, White PU. Sizes: 5-12., Shipping Weight: 3 pounds ( View shipping rates and policies ), ASIN: B07CJQB4VF, Date first listed on Amazon: August 26, 2010, Average Customer Review: 3.0 out of 5 stars 3 customer reviews
Product price: $38.79 - $62.50
Product brand: Ellie Shoes
Target attributes: Shaft Height
Answer: attribute: shaft height
value: knee high
source: product feature
attribute: shaft height
value: knee high
source: product title
attribute: shaft height
value: knee high
source: product description