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: Meyerco Jeff Hall Yakuza, Assisted, Plain Edge Pocket Knife
Product description: Jeff Hall Yakuza Assisted Plain
Product feature: Quality at a low price
Product price: $56.99
Product brand: Meyerco
Target attributes: Type
Answer: attribute: type
value: pocket knife
source: product title