Instruction: First, identify the target attributes from the provided list. Then, scan the product title, description, feature, and brand to extract the values associated with each target attribute. Finally, create a list of dictionaries, each containing the extracted attribute, its corresponding value, and the source where it was found.

Input:
Product title: Ty Beanie Boos Owliver the Camo Owl Plush
Product description: Ty Beanie Boos - Owliver the Owl - Regular/Small
Product feature: Ty Beanie Boos Owliver the Camo Owl Plush
Product price: $17.95
Product brand: Ty
Target attributes: Battery Type
Answer: attribute: battery type
value: None
source: None