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: Gateway One ZX4250-UR10P 20-Inch All-in-One Desktop (Black) (Discontinued by Manufacturer)
Product description: An all-in-one for everyone, the Gateway One ZX Series features two eye-catching styles, easy-to-use multigesture touch, plus entertainment and media-sharing advances. Select Gateway One models come equipped with powerful desktop components and such technologies as Full HD displays, Blu-ray drives and TV tuners. Our ZX lineup is also outfitted with a range of high-performance Intel and AMD Athlon II dual- and quad-core processors. Stylish and clutter-free thanks to 802.11b/g/n wireless and a wireless keyboard and mouse, our ZX Series complements the decor of any room in your home.
Product feature: AMD E-Series Processor 1.3GHz (1MB Cache), 4GB SDRAM RAM, 500GB 7200RPM Hard Drive, 20-Inch Screen, AMD Radeon HD 6310, Windows 7 Home Premium 64-Bit
Product brand: Gateway
Target attributes: Monitor Resolution
Answer: attribute: monitor resolution
value: None
source: None