Instruction: Using the product's title, description, features, price, and brand, identify and retrieve the values associated with a specified set of target attributes. Output the extracted values along with their respective sources (e.g., title or feature) indicating where each value was found.

Input:
Product title: 355 G2 15.6" LED Notebook - AMD A-Series A6-6310 1.80 GHz - Silver
Product description: At the office or on the road, stay connected with essential technologies that keep you productive. The durable construction with an all metal palm rest protects your PC from the rigors of mobile use while maintaining its stylish look.
Product feature: AMD A6-6310 1.8 GHz Quad-Core (2.4 GHz w/Turbo, 2 MB Cache) Processor - AMD Radeon R4 Graphics, 15.6" LED Backlight HD (1366 x 768) Display, 4 GB DDR3L SDRAM - 500 GB 5400 rpm HDD - DVD SuperMulti Drive, Wi-Fi 802.11n, Bluetooth 4.0 HS, Gigabit Ethernet, Windows 7 Pro 64-bit / Windows 8.1 Pro downgrade - pre-installed: Windows 7
Product brand: HP
Target attributes: Processor Brand
Answer: attribute: processor brand
value: amd
source: product feature
attribute: processor brand
value: amd a-series
source: product title