Instruction: Using the product's title, description, features, price, and brand, identify and retrieve the values associated with a specified set of target attributes. Output the extracted values along with their respective sources (e.g., title or feature) indicating where each value was found.

Input:
Product title: Mustad Fillet Knife with Sheath, 6-Inch
Product description: Prepare freshly caught fish with the Mustad 6" Fillet Knife. The sharp blade cuts through even the toughest fillets.
Product feature: Stainless steel blade, Extra sharp, Includes sheath
Product brand: Mustad
Target attributes: Type
Answer: attribute: type
value: fillet
source: product title
attribute: type
value: fillet
source: product description