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: Sanei Super Mario Plush Series Doll: 13" Kitsune Fox Luigi (M)
Product description: Fly, Luigi, fly! Luigi dons his flying Kitsune suit! Most-excellent plush from the Super Mario Bros. games. Give Luigi the ability to fly! Straight out of the Super Mario Bros. 3 and Super Mario 3D Land video games, comes the Super Mario Plush Series Kitsune Luigi 11-Inch Plush. In Super Mario Bros. 3, Luigi picks up the Kitsune suit so that he can fly and beat up bad guys better. Now you can own Luigi wearing his Kitsune suit in excellent 11-inch plush form!, Kitsune Luigi/Tanooki Luigi is a form of Luigi first appearing in Super Mario Brothers 3. The Mario Brothers use a Tanooki costume with a tail, that allow them to fly or attack spinning.
Product feature: Imported from Japan, Made from high quality materials - rare, collectible and very cute, Suit not removable, Limited availability, New and sealed iInside retail packaging, Buy more and get a larger % off! Enter code VGPBULK1 at checkout. Here's how (restrictions apply)
Product price: $18.51
Product brand: Sanei
Target attributes: Form
Answer: attribute: form
value: fox
source: product title