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: Towle Six-Opening Silver Plated Collage Frame
Product description: Display your memories with this Towle Six-Opening Silver Plated Collage Frame. The collage-style frame features six openings that hold three 4x4-inch photos, one 6x4-inch photo and three 4x6-inch photos. The frame is silver plated with velvet backing, and equipped with both an easel-back and a hook to rest on a flat surface or hang from a wall. Adding photos is easy with slide-in photo insertion. The frame can be cleaned with a damp cloth or silver polish.
Product feature: The collage-style frame features six openings that hold three 4x4-inch photos, one 6x4-inch photo and three 4x6-inch photos, The frame is silver plated with velvet backing, Equipped with both an easel-back and a hook, the frame can rest on a flat surface or hang from a wall, Adding photos is easy with slide-in photo insertion, The frame can be cleaned with a damp cloth or silver polish, The collage-style frame features six openings that hold three 4x4-inch photos, one 6x4-inch photo and three 4x6 inch photos., The frame is silver plated with velvet backing., Equipped with both an easel-back and a hook, the frame can rest on a flat surface or hang from a wall., Adding photos is easy with slide-in photo insertion., The frame can be cleaned with a damp cloth or silver polish.
Product brand: Towle
Target attributes: Special Occasion
Answer: attribute: special occasion
value: None
source: None