Instruction: Extract the value of the target attribute from the given product information and output it along with the corresponding source.

Input:
Product title: 20 Original Unopened Packs of RACING NASCAR Cards (1991-1996) - Look for Dale Earnhardt. Jimmy Johnson. Mark Martin. Labonte and Jeff Gordon cards, special inserts, and more!! (PACKS ARE FUN TO OPEN)
Product description: Vintage un-opened packs where you can find cards of your favorite racing drivers like Dale Earnhardt Jr and Senior. Look for Jeff Gordon cards, Allison, Jimmy Johnson, Kyle Petty, Martin, Labonte. Includes 1991 and 1993 Maxx, Upper Deck, Country and more as shown in the picture.
Product feature: HOT!! NASCAR RACING CARDS, 20 Factory Sealed Packs, Approximately 220 factory sealed cards in mint condition, This lot is mostly NASCAR RACING PACKS but there could be one or two other types of racing included., Your NASCAR fan is going to love these!!!
Product price: $24.99
Product brand: Action Packed, MAXX, Upper Deck, etc.
Target attributes: Sport
Answer: attribute: sport
value: None
source: None