Instruction: Given the title, description, feature, price, and brand of a product and a set of target attributes, extract the value of each target attribute from the product information. Output the extracted value and the corresponding source (e.g., title or feature) denoting where the value is extracted.

Input:
Product title: Stampers Anonymous Tim Holtz Cling Rubber Stamp Set, 7 by 8.5-Inch, Americana Blueprint
Product description: STAMPERS ANONYMOUS-Tim Holtz: Unmounted Red Rubber Stamp Set. Add some fun to your craft projects! Each red rubber stamp is made of special material that sticks easily to any wooden block (sold separately). This 8-1/2x7 inch package contains a variety of unmounted red rubber stamps. Comes in a variety of designs (each sold separately). Made in USA.
Product feature: Each red rubber stamp is made of special material that sticks easily to any wooden block (sold separately), This 8-1/2x7 inch package contains a variety of unmounted red rubber stamps, Made in America
Product brand: Stampers Anonymous
Target attributes: Material
Answer: attribute: material
value: rubber
source: product feature
attribute: material
value: rubber
source: product title
attribute: material
value: red rubber
source: product feature
attribute: material
value: red rubber
source: product description