Instruction: Extract the value of the target attribute from the given product information and output it along with the corresponding source.

Input:
Product title: LENOVO G50 15.6" Laptop PC / AMD Quad-Core A8-6410 Processor with integrated AMD Radeon R5 graphics / 6GB Memory / 500GB HD / DVD±RW/CD-RW / Bluetooth 4.0 / HD Webcam / Windows 8.1 64-bit
Product description: LENOVO G50 15.6" Laptop PC / AMD Quad-Core A8-6410 Processor with integrated AMD Radeon R5 graphics / 6GB Memory / 500GB
Product feature: AMD Quad-Core A8-6410 Processor with integrated AMD Radeon R5 graphics, 15.6" LED-backlit LCD high-definition widescreen display With 200 cd/m brightness and 1366 x 768 resolution showcases movies, games and Web content in crisp detail., 6GB DDR3L Memory / 500GB Hard Drive / Microsoft Windows 8.1 operating system preinstalled, Multiformat DVDRW/CD-RW drive; Built-in 0.3MP webcam with microphone; 2-in-1 media reader, 1 USB 3.0 port and 2 USB 2.0 ports;Built-in high-speed wireless LAN (802.11b/g/n);Bluetooth 4.0 interface;Built-in 100/1000 Mbps Ethernet LAN
Product price: $299.99
Product brand: Lenovo
Target attributes: Processor Speed
Answer: attribute: processor speed
value: None
source: None