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! - Amazoness Sage (DREV-EN030) - Duelist Revolution - 1st Edition - Common
Product description: Yu-Gi-Oh! is a strategic trading card game in 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 : Amazoness Sage Card Type : Effect Monster Card Number : DREV-EN030 Set : Duelist Revolution Attack/Defense : 1400/700 Attribute : Earth Level : 4 Monster Type : Warrior Passcode : 53162898 Card Text : If this card attacks, select 1 Spell or Trap Card your opponent controls at the end of the Damage Step and destroy it.
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 Duelist Revolution set., You will receive the 1st Edition version of this card.
Product price: $0.94
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