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: Tufted Upholstered Headboard Padded Arch Charcoal Height Adjustable Full-CAK Size (King/CA King)
Product description: This Tufted Upholstered Headboard is a charcoal gray padded arch that can be adjusted for height great for leaning up against with a book or breakfast in bed. The elegance of the upholstery button tufting will give your bedroom a classic and sophisticated look. It attaches to your existing metal bed frame easily to update your entire room. The upholstery is a dense and sturdy polyester fabric for years of comfort and durability. Its even stain protected for effortless cleaning.
Product feature: Materials: polyester fabric, 2 inches of foam padding (wrapped in Dacron), wood base, Detailed and luxurious button-tufted tailoring on the front, black muslin cloth on the back, Can be used with any existing metal bedframe that has headboard brackets, Height can be adjusted to 54, 58 or 62 inches with an adjustment on the leg, King dimensions: 55-62 high x 79.25 wide x 5 deep
Product brand: Fashion Bed Group
Target attributes: Type
Answer: attribute: type
value: headboard
source: product feature
attribute: type
value: headboard
source: product title
attribute: type
value: headboard
source: product description