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: Fanmats 14387 NFL Washington Redskins Nylon Universal Man Cave UltiMat Rug
Product description: Decorate your home, office, or tailgate with area rugs by Sports Licensing Solutions. Made in USA. 100 Percent nylon carpet and non-skid recycled vinyl backing. Officially licensed and chromojet printed in true team colors.
Product feature: Non-skid recycled backing, 100 Percent Nylon Face, Machine washable, Vibrant team colors
Product price: $107.40
Product brand: Fanmats
Target attributes: Area Rug Size
Answer: attribute: area rug size
value: None
source: None