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: Hero Arts Night Flower Woodblock Rubber Stamp
Product description: A lovely bloom with lots of coloring possibility. Hero Arts woodblock stamps put creativity at your fingertips. All you need are stamps and ink to decorate notecards, scrapbooks, gift tags, place cards, wrapping paper and more. Its fun, easy, inspiring. And every stamped image is a unique expression of love and care.
Product feature: Heirloom quality, made by hand in the United States, Classic maple wood blocks from sustainably managed forests, Deeply etched rubber delivers a lasting impression, Each design is a Hero Arts original, Ideal for effortlessly making your own handmade cards
Product brand: Hero Arts
Target attributes: Material
Answer: attribute: material
value: rubber
source: product feature
attribute: material
value: rubber
source: product title