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: Dogit Style Footloose Medium Adjustable Nylon Collar with Plastic Snap, 5/8-Inch by 12-Inch to 18-Inch, Blue on Blue Nylon
Product description: The dogit style nylon ribbon collars are stylish and strong. Dogit style walking apparel offers collars with style and security in mind. Smart collar construction is significantly stronger than the average collar with plastic buckle. Larger collars are equipped with an engravable name plate for personalization (large and extra large sizes). The dogit style nylon ribbon collars are available in an array of trend setting patterns and color palettes and have matching leashes available (sold separately).
Product feature: Adjustable nylon collar with plastic snap; Durable, Smart collar construction, Matching leashes available (separately), Measures 5/8-inch width and adjusts from 12 to 18-inch around, Footloose design, Blue on blue nylon
Product brand: Dogit
Target attributes: Type
Answer: attribute: type
value: collar
source: product description
attribute: type
value: collar
source: product title
attribute: type
value: collars
source: product description
attribute: type
value: collar
source: product feature