Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: Bicycle Templar Knights Playing Cards
Product description: The deck is a standard 52 card deck. The deck has black faces and features a custom designed back, jokers, ace of spades and card faces. there are also 2 gaff cards included with this deck.
Product feature: Black Deck, Magic Finish, Q1 Quality, Limited Edition, Collectible
Product brand: Bicycle
Target attributes: Age Group
Answer: attribute: age group
value: None
source: None