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: Atlanta Braves Baseball Card Lot - 200+ MLB Cards of Braves Players in a Collector Box
Product description: Awesome hand-collated of 200 cards of the team listed. Buggle's Classics guarnatees your full satisfaction!
Product feature: Great for gift giving!, A nice mixture of hand-collated cards of your favorite team!, Comes in a sturdy cardboard collector storage box., Years range from 1980's - present.
Product brand: Unknown
Target attributes: Sport
Answer: attribute: sport
value: mlb
source: product title
attribute: sport
value: baseball
source: product title