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: CALVIN COOLIDGE GLOSSY POSTER PICTURE PHOTO president amherst massachusetts
Product description: Professional grade print on glossy photo paper available in multiple sizes
Product feature: Available in your choice of 4x6, 5x7, 8x10, 8.5x11, 13x19 and 17x22. Also some prints available in 24x36 and 40x60 (SIZING IN INCHES WITH BORDERS) (24x36 and 40x60 HAVE LARGER OVERALL CUTS), All images printed on PROFESSIONAL GRADE GLOSSY PHOTO PAPER, Printed using UV resistant inks and professional printing process, Smaller sizes shipped securely between cardboard, larger sizes rolled into reinforced kraft tubes, PLEASE NOTE: IMAGE REPRESENTS WHAT IS LISTED FOR SALE, THE IMAGE WILL BE STRETCHED / SKEWED TO FIT THE SIZE THAT YOU SELECT! THE DIMENSIONS MAY NOT BE EXACTLY AS REPRESENTED IN THE IMAGE PICTURED. ALL IMAGES ARE REPRODUCTIONS AND NOT ORIGINAL IN ANY CAPACITY THEY ARE NOT TOUCHED UP OR EDITED THEY ARE PRINTED DIRECTLY FROM THE ORIGINAL TEMPLATE!
Product price: $14.99
Product brand: ConversationPrints
Target attributes: Type
Answer: attribute: type
value: poster
source: product title