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: Punch Studio Old World Santa Dimensional Holiday Greeting Cards - Set of 12 (57195)
Product description: Share Love and appreciation in shimmering style with our dimensional holiday Greeting cards. Includes 12 cards with interior Greetings and tasteful helpings of gold foil.
Product feature: Box of 12 cards and envelopes, Exterior states "a merry Christmas to you" and the interior messages says: "and a Happy New Year!"., Layered for dimensional affect., Features gold foil accents., Cards are 5 inches by 7 inches.
Product price: $17.00
Product brand: Punch Studio
Target attributes: Quantity
Answer: attribute: quantity
value: set of 12 (
source: product title
attribute: quantity
value: 12 cards
source: product description
attribute: quantity
value: box of 12
source: product feature