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

Input:
Product title: PNY NVIDIA Quadro NVS 280 64MB PCI Graphics Card VCQ4280NVS-PCI-T
Product description: PNY NVIDIA Quadro NVS 280 64MB PCI Graphics Card VCQ4280NVS-PCI-T
Product feature: PNY NVIDIA Quadro NVS 280 64MB PCI Graphics Card VCQ4280NVS-PCI-T
Product price: $59.50
Product brand: PNY
Target attributes: Video Memory Type
Answer: attribute: video memory type
value: None
source: None