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: Boelter Brands NCAA Sublimated Wave Mug
Product feature: Holds up to 15 ounces, Microwave and Dishwasher safe, Officially licensed, Cheer on your team, This Mug is a great item for any loyal sports fan
Product price: $15.27
Product brand: Boelter Brands
Target attributes: Material
Answer: attribute: material
value: None
source: None