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: CybertronPC Vanguard Gaming Desktop - AMD A10 5800K 3.80GHz Quad-Core Processor, 8GB DDR3, AMD Radeon HD 7660D Graphics, 1TB/8GB Solid State Hybrid Hard Drive, 802.11bgn WiFi, Windows 10 64-Bit (Discontinued by Manufacturer)
Product description: Take the lead in any battle with the CybertronPC Vanguard Gaming PC! Equipped with an AMD A10-5800K 3.80GHz Dual-Core processor and 8GB of DDR3 memory, the Vanguard is ready to charge into battle! You'll reach the battle faster, thanks to the 1TB/8GB Hybrid Hard Drive providing fast boot & load times and massive storage. No matter where the battle is, you'll be able to play how you want, thanks to the freedom of both wired and wireless networking capabilities. And that's not all - thanks to the Radeon HD 7480D graphics, it'll look great and play smooth! Be the first to victory - order your CybertronPC Vanguard today!
Product feature: System: AMD A10 5800K 3.80GHz Quad-Core | AMD A58 Chipset | 8GB DDR3 | 1TB/8GB Solid State Hybrid Drive | Genuine Windows 8.1 64-bit, Graphics: AMD Radeon HD 7660D | 24X DVDRW Dual-Layer Drive | Audio: 8 Channel | Gigabit LAN | Keyboard & Mouse, Expansion Bays/Slots Total(Free): 2(1) Ext. 5.25" | 1(1) Ext. 3.5" | 3(2) Int. 3.5" | 1(1) PCI | 1(1) PCI-E x1 | 1(1) PCI-E x16 | 2(1) DIMM 240P, Connectivity: 6x USB 2.0 | 1x RJ-45 Network Ethernet 10/100/1000 | Wireless 802.11bgn | Audio | 1x VGA | 1x HDMI, Chassis: Apevia X-Trooper Junior Gaming Mid-Tower w/450 Watt Power Supply | 1 Year Parts & Labor Warranty | Free Lifetime Tech Support
Product brand: CybertronPC
Target attributes: Monitor Size
Answer: attribute: monitor size
value: None
source: None