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: Pink & Main PM0160 N/A clear Stamps 3"X4"-Weekend Banners
Product description: Pink & main-clear stamps. Proudly made in the USA of high quality photo-polymer. Enjoy stamping and crafting with them for many years to come! available in a variety of designs (each sold separately). this package contains weekend banners: a set of five clear stamps on a 4x3 inch backing sheet. Made in USA.
Product feature: Made of high quality photo-polymer, Enjoy stamping and crafting with them for many years to come, Proudly Made in the USA
Product brand: Pink & Main
Target attributes: Material
Answer: attribute: material
value: clear stamps
source: product description
attribute: material
value: clear stamps
source: product title