Instruction: First, identify the target attributes from the provided list. Then, scan the product title, description, feature, and brand to extract the values associated with each target attribute. Finally, create a list of dictionaries, each containing the extracted attribute, its corresponding value, and the source where it was found.

Input:
Product title: NIKE Men's SB Portmore CNVS Skate Shoe
Product description: Keep your style clean as you take on local skate spots with the fresh Nike SB Portmore Canvas shoe!.
Product feature: Canvas, Rubber sole, A slim, low-profile skate silhouette, Cushioned footbed for added comfort, Vulcanized construction for superior flex and board feel, Sticky gum-rubber outsole for durability, Shipping Weight: 1.87 pounds ( View shipping rates and policies ), ASIN: B0052SNCXC, Item model number: 415077-001, Date first listed on Amazon: May 26, 2011, Average Customer Review: 3.8 out of 5 stars 23 customer reviews
Product price: $29.99 - $500.00
Target attributes: Type
Answer: attribute: type
value: shoe
source: product description
attribute: type
value: shoe
source: product title