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: Dean and Tyler "STRICTLY BUSINESS", 2-in-1 Dog Choke Collar with Solid Brass Hardware - Brown - Size 20-Inch by 1-Inch - Fits Neck 18-Inch to 20-Inch
Product description: Strictly Business is both a standard and choke collar. It transforms with a simple modification to the floating brass ring. Uses double-ply leather.
Product feature: Double Ply High Quality Leather, Solid Brass Hardware, Comes in Brown or Black, Adjustable Length by 1-inch Width, Great for Everyday use and Training
Product price: $46.95
Product brand: Dean & Tyler
Target attributes: Collar Type
Answer: attribute: collar type
value: None
source: None