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: Pilot Varsity Disposable Fountain Pens, Blue Ink (90011x3)
Product description: Advanced liquid ink system and unique real fountain pen nib guarantee smooth writing. Fashionable, disposable fountain pen is convenient and easy to use. See-through ink reservoir lets you know when you're running low. 3-pack, blue ink.
Product feature: Now with a new modern design., The fashionable, no-maintenance fountain pen that's convenient and easy to use., Advanced liquid ink feed system and genuine stainless steel nib guarantee smooth writing.
Product price: $8.98
Product brand: Pilot
Target attributes: Type
Answer: attribute: type
value: fountain
source: product description
attribute: type
value: fountain
source: product title
attribute: type
value: fountain
source: product feature