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: Logo Twilight Special Edition Fountain Pen Medium Nib
Product feature: stainless steel medium nib, T10 blue ink cartridge is standard and is included; also will take ink converter LZ26 [NOT included], length closed: 5 1/2"; posted: 6 1/2", comes in a Lamy cardboard box
Product brand: Lamy
Target attributes: Type
Answer: attribute: type
value: fountain
source: product title