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: 3Com 10/100 Desktop Nic
Product description: 3COM 3C905CXTXNM Network Interface Card 100 Mbps 100 Base-TX RJ-45 PCI Network Adapter Plug in Card
Product feature: Warranty Included
Product price: $1.54
Product brand: 3Com
Target attributes: Interface Type
Answer: attribute: interface type
value: pci
source: product description