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: LXG, Inc. University of Washington - Carbon Fiber Rollerball Pen - Purple
Product description: The University of Washington Carbon Fiber Rollerball Pen is a high end executive pen that will proudly display your team spirit wherever you go. The image is laser etched to ensure that our customers receive a completely durable and long-lasting product.
Product feature: Officially Licensed Collegiate Logo, Solid Brass Pen, Carbon Fiber Barrel, Black Gift Box Included, Black Ink
Product price: $12.45
Product brand: LXG, Inc.
Target attributes: Type
Answer: attribute: type
value: rollerball
source: product title
attribute: type
value: rollerball
source: product description