Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: Wild Rose Studio Clear Stamp Dragon and Bird CL488
Product description: Wild Rose Studio-Clear Stamps. Use this clear stamp to add an adorable image to a handmade card, scrapbooking page and more! Simply peel the stamp off the backing sheet, place it on a clear block, ink the stamp and decorate away. This package contains three clear stamps on one 4x3 inch backing sheet. Design: Dragon And Bird. Imported.
Product feature: Wild Rose Studio-Clear Stamps, Use this clear stamp to add an adorable image to a handmade card, scrapbooking page and more! Simply peel the stamp off the backing sheet, place it on a clear block, ink the stamp and decorate away, This package contains three clear stamps on one 4x3 inch backing sheet, Design: Dragon And Bird, Imported, International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions., Manufacturer warranty may not apply, Learn more about Amazon Global Store.
Product price: $8.60
Product brand: Wild Rose Studio
Target attributes: Material
Answer: attribute: material
value: clear stamps
source: product description
attribute: material
value: clear stamps
source: product feature
attribute: material
value: clear stamp
source: product description
attribute: material
value: clear stamp
source: product title
attribute: material
value: clear stamp
source: product feature
attribute: material
value: clear
source: product description
attribute: material
value: clear
source: product feature