Instruction: Using the product's title, description, features, price, and brand, identify and retrieve the values associated with a specified set of target attributes. Output the extracted values along with their respective sources (e.g., title or feature) indicating where each value was found.

Input:
Product title: Thanksgiving Arc Rubber Stamp By DRS Designs
Product description: DRS Designs is a family owned business, operating under the same ownership since 1950. All rubber stamps are manufactured in Bethel, CT using the highest quality materials available. You can shop with confidence that your rubber stamp will provide a crisp clear impression for many years to come.
Product feature: Wood Mounted Rubber Stamp, Deep Etch Red Rubber with Cushion, Approx. Size: .75" x 3", Purchase 3 or more DRS Designs Rubber Stamps and receive 15% off!, Save 15% each on Qualifying items offered by DRS Designs Rubber Stamps when you purchase 3 or more. Here's how (restrictions apply)
Product price: $11.00
Product brand: DRS Designs Rubber Stamps
Target attributes: Material
Answer: attribute: material
value: rubber
source: product brand
attribute: material
value: red rubber
source: product feature
attribute: material
value: rubber
source: product title
attribute: material
value: rubber
source: product description
attribute: material
value: rubber
source: product feature