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: Great Eastern Entertainment Hell Girl Enma Messenger Bag
Product description: A high quality, fully licensed, messenger bag which is sure to make any anime can thrilled. Sturdy construction, high quality graphics, and fully functional.
Product feature: Fully Licensed, Quality materials, Perfect for school
Product brand: Great Eastern Entertainment
Target attributes: Material
Answer: attribute: material
value: None
source: None