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: Yu-Gi-Oh! - Memory Loss (LTGY-EN070) - Lord of the Tachyon Galaxy - 1st Edition - Common
Product description: Yu-Gi-Oh! is a strategic trading card game in which two players Duel each other using a variety of Monster, Spell, and Trap Cards to defeat their opponent's monsters and be the first to drop the other's Life Points to 0. Card Name : Memory Loss Card Type : Normal Trap Card Number : LTGY-EN070 Set : Lord of the Tachyon Galaxy Attribute : Trap Passcode : 71098407 Card Text : When a face-up Attack Position monster your opponent controls just activated an effect: Negate that effect, and if you do, change that monster to face-up Defense Position.When the effect of a face-up Attack Position monster on the field is activated: Negate that effect, and if you do, change that monster to face-up Defense Position.
Product feature: A single individual card from the Yu-Gi-Oh! trading and collectible card game (TCG/CCG)., This is of Common rarity., From the Lord of the Tachyon Galaxy set., You will receive the 1st Edition version of this card.
Product price: $0.20
Product brand: Yu-Gi-Oh!
Target attributes: Game
Answer: attribute: game
value: yu-gi-oh!
source: product brand
attribute: game
value: yu-gi-oh!
source: product feature
attribute: game
value: yu-gi-oh!
source: product title
attribute: game
value: yu-gi-oh!
source: product description