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: Funko Sam Metallic Bloodsplatter Supernatural Television Series Pop
Product description: Exclusive metallic blood splatter Sam from the Supernatural TV series Funko Pop
Product feature: Supernatural, Metallic sam, Pop funko, Bloodsplatter
Product brand: FunKo
Target attributes: Theme
Answer: attribute: theme
value: None
source: None