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: Great Eastern Entertainment Naruto Shippuden Sage Mode 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 price: $36.23
Product brand: Great Eastern Entertainment
Target attributes: Material
Answer: attribute: material
value: None
source: None