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: CLASH OF THE TITANS "C" 27x40 ORIGINAL D/S MOVIE POSTER
Product description: Poster will be rolled in a plastic sleeve and then shipped inside a custom made thick tube for extra protection.
Product feature: 27x40 inches (approximate dimensions)., Poster is double sided with a reverse image on the back., This poster is an authentic original movie theater poster issued by the studio., Makes a great gift!
Product price: $14.95
Product brand: Super Posters
Target attributes: Type
Answer: attribute: type
value: poster
source: product feature
attribute: type
value: poster
source: product title
attribute: type
value: poster
source: product description
attribute: type
value: posters
source: product brand