Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: Powercolor ATI Radeon HD 2400PRO 256MB PCI Graphics Card
Product description: Feature-Rich DirectX 10 Gaming and HD Video for Windows Vista: The PowerColor ATI Radeon HD 2400 is a feature-rich upgrade from integrated graphics for an immersive experience with DirectX 10 gaming and HD video. Connect to big-screen TVs with HDMI and built-in 5.1 surround sound audio to enjoy Blu-ray movies. ATI Catalyst graphics configuration software is designed for quick setup and stable operation with Windows Vista.
Product brand: PowerColor
Target attributes: Output Resolution
Answer: attribute: output resolution
value: None
source: None