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: University of Kansas Jayhawks Playing Cards
Product description: The official collegiate high-quality standard poker playing cards feature the colors and logo of your favorite college teams.
Product feature: Products that are great fun from children to adults, High quality toys and games, Games and toys that the whole family can enjoy, Features your favorite college team's logo and colors!, Each deck is cello-wrapped inside a sealed, cello-wrapped tuckbox, Officially licensed collegiate product
Product brand: Patch Products Inc.
Target attributes: Maximum Players
Answer: attribute: maximum players
value: None
source: None