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: Hamtaro Lunch with Water Bottle
Product description: Hamtaro insulated lunch box with water bottle.
Product feature: Insulated Lunch Tote, Top Handle, zip closure, Water Bottle
Product price: $7.42
Product brand: Hamtaro
Target attributes: Material
Answer: attribute: material
value: None
source: None