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

Input:
Product title: Barbie silkstone a model life giftset sold out at mattel
Product description: Gorgeous silkstone doll with outfit.
Product feature: beautiful silkstone doll giftset
Product price: $99.95
Product brand: Barbie
Target attributes: Hair Color
Answer: attribute: hair color
value: None
source: None