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: BCBGeneration Women's Franciss Knee-High Boot
Product description: You'll be seductive and sultry in this bold boot by BCBG. The Franciss brings you a black upper shown off by flashy studs detailing the cuff. This show stopper brings you a 4 1/2 inch stiletto heel to tie up the edgy look., BCBGeneration delivers a unique blend of uncompromising fashion. Now you can have glorious style without skimping on all-day comfort, and with a variety of different looks, you're bound to find just the right complement to any outfit. Versatile enough for casual and dress, BCBGeneration provides the unlikely combination of maturity and playfulness in every style.
Product feature: 100% Nappa Stretch/100% Sueded Shimmer Stretch, Imported, Synthetic sole, Shaft measures approximately 17" from arch, Heel measures approximately 4", Platform measures approximately 0.5", Boot opening measures approximately 13.5" around, Made in China, Man Made Upper, Man Made Sole, Heel Height: 4 - 4.75 Inch, The Shoe Fits True To Size., Package Dimensions: 24 x 13.2 x 4.1 inches, Shipping Weight: 4 pounds, ASIN: B0087CJZRM, Item model number: FRANCISS, Date first listed on Amazon: September 3, 2012, Domestic Shipping: Item can be shipped within U.S., International Shipping: This item is not eligible for international shipping. Learn More, Average Customer Review: 3.3 out of 5 stars 44 customer reviews
Target attributes: Boot Style
Answer: attribute: boot style
value: None
source: None