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: Vivian & Vincent Classic Metal Full Mirrored UV Protection Sunglasses Eyewear
Product description: Vivian & Vincent sunglasses in Fashion Style is always the best gift for your someone, designed Metal frames bring you the best comfort. Various Frame colors for sale.
Product feature: metal frame, mirrored lens, non-polarized, Lens width: 60 millimeters, Impact And Scratch Resistant, Lightweight And Durable Lenses, 100% UV400 Protection Lens,Blocks 100% Harmful UVA,UVB & UVC Rays, Ultra Lightweight Metal Frame, Extremely stunning and stands out fashionably., Various Colors available, more choice for any of your outfit., Package Dimensions: 6.1 x 3 x 2 inches, Shipping Weight: 0.32 ounces, ASIN: B01CSLANDM, Date first listed on Amazon: March 10, 2016, Average Customer Review: 1.0 out of 5 stars 1 customer review
Product brand: VIVIAN & VINCENT
Target attributes: Silhouette
Answer: attribute: silhouette
value: None
source: None