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: HP Pavilion 500-437c AMD Quad-Core A8, 8GB, 1TB HDD Desktop PC
Product description: HP 500-437C Desktop PC AMD AMD A8-Series A8-6410 Quad Core (4 Core) - 8 DDR3 - 1 HDD - No SSD - Integrated AMD Graphics Integrated - Condition: Manufacturer RefurbishedBrand: HPModel: 500-437CPlatform: Desktop PCColor: BlackProcessor Manufacturer: AMDProcessor Type: AMD A8-SeriesProcessor Model: A8-6410Processor Core: Quad Core (4 Core)Processor Speed: 2.0Processor Bit Support: 64-bitInstalled Memory: 8Maximum Memory: 16Memory Technology: DDR3Memory Slot: 2Hard Drive Capacity: 1SSD Capacity: NoNumber of Hard Drive: 1Hard Drive Interface: SATAOptical Drive Type: DVD Super MultiGPU: Integrated AMD GraphicsGraphic Memory: Shared MemoryGraphic Type: IntegratedOperating System: Windows 8.1 ProLAN: Gigabit Ethernet( RJ-45) 10/100/Mb/sWireless LAN: 802.11 b/g/nBluetooth: NoUSB: 2 x USB 3.0 4 x USB 2.0Video Port: 1 x VGA 1 x DVI-DAudio Port: 2 x Microphone 1 x Headphone 1 x Line-in 1 x Line-outData Port: 7-in-1 Multimedia Card ReaderWebcam: Keyboard: YesMouse: YesPower Supply: External 65W (100V-240V)Dimensions: x x Weight:
Product feature: J4W37AA, 8 GB, 1 TB, AMD Radeon R5
Product brand: HP
Target attributes: Processor Brand
Answer: attribute: processor brand
value: amd
source: product feature
attribute: processor brand
value: amd
source: product description
attribute: processor brand
value: amd
source: product title