Instruction: First, identify the target attributes from the provided list. Then, scan the product title, description, feature, and brand to extract the values associated with each target attribute. Finally, create a list of dictionaries, each containing the extracted attribute, its corresponding value, and the source where it was found.

Input:
Product title: 1Pcs Hero Fountain Pen With Calligraphy Bent Nib Writing Painting
Product description: Since 1931, Hero Pen factory has the reputation in China for manufacturing the best fountain pens. They are well known for the fine craftsmanship. Hero pens are very smooth and can be rated and considered as one of the best fountain pen companies of the world!
Product feature: Hero Fountain Pen With Calligraphy Bent Nib, Condition:100% Brand New; With clip on the cap, Cap:PUSH ON /OFF; Length (Cap-Closed):Appox. 13.7cm, Color:As the picture shown, Pen does NOT come with ink!
Product brand: 99Parts
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