Instruction: Given the title, description, feature, price, and brand of a product and a set of target attributes, extract the value of each target attribute from the product information. Output the extracted value and the corresponding source (e.g., title or feature) denoting where the value is extracted.

Input:
Product title: 77mm Pro series Multi-Coated High Resolution Polarized Filter For Nikon AF-S Nikkor 24-70mm f/2.8G ED Autofocus Lens, Nikon AF-S Nikkor 70-200mm f/2.8G ED VR II Lens, Nikon AF-S Nikkor DX 18-300mm f/3.5-5.6G ED VR Lens, Nikon AF-S NIKKOR 28-300mm f/3.5-5.6G ED VR Zoom
Product description: This 77mm ultimate clear polarized filter will not affect color balance. It protects lenses from expensive front element damage which could be caused by dirt, knocks or scratches. This 77mm filter reduces lens flare and ghosting caused by reflections.
Product feature: This ultimate clear uv filter will not affect color balance., It protects lenses from expensive front element damage, Reduces lens flare and ghosting, Microfiber Cloth, 77mm HD Filter
Product price: $7.99
Product brand: Tronixpro
Target attributes: Neutral Density Type
Answer: attribute: neutral density type
value: None
source: None