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: Invisible Invaders Movie Poster 11x17 Master Print
Product description: Invisible Invaders movie reprint Poster 11x17. Excellent, New Condition. Shipped Rolled.
Product feature: For the best quality and fastest shipping, be sure to purchase from high feedback sellers., Paper measures 11"x17". (Chinese versions are low-res mosaics), (Not pillow cases, polyester flags, or plastic banners.), Ships rolled inside thick cardboard shipping/storage tube. No surprise customs fees or delays from Zero Feedback International sellers., Avoid ZERO/Low feedback international sellers claiming to be US-based sellers to misrepresent shipping times. Items from Zero Feedback accounts are spoof products that are drop-shipped from China and take 6-8 weeks to arrive.
Product price: $10.99
Product brand: Unknown
Target attributes: Type
Answer: attribute: type
value: poster
source: product description