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: Classic 7" Cook's Knife
Product description: 4582-7/18 Features: -Blade Dimension 7''.-Forged From One Piece Of Specially Tempered High Carbon Steel To Ensure Outstanding Strength.-Extraordinary Sharpness Which Is Easy To Maintain.-Special Alloyed Steel.-Seamless, Hygienic Fit Of Handle.-Triple-Riveted, Full Tang Synthetic Handle.-Dishwasher Safe, But Hand-Washing Recommended.-Lifetime Guarantee.-Made in Solingen, Germany.
Product feature: High carbon stainless steel, Riveted high-impact ergonomic handle, New edge technology makes each side sharper by 14 degrees, doubling sharpness retention, Manufacturer's limited lifetime warranty, Hand wash recommended
Product price: $134.95
Product brand: Wsthof
Target attributes: Special Occasion
Answer: attribute: special occasion
value: None
source: None