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: Pampered Chef Family Heritage Stoneware Muffin Pan
Product description: Pampered Chef Family Heritage Stoneware Muffin Pan. Stoneware, Capacity is twelve muffins. Hand wash recommended. Discontinued and no longer available from Pampered Chef.
Product feature: This is Family Heritage Collection stoneware., Capacity is twelve muffins.
Product brand: Pampered Chef
Target attributes: Size
Answer: attribute: size
value: None
source: None