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: Deli Fresh Domestic Greek Feta Cheese, approx. 2 lb
Product description: Domestic Feta is more mild than imported Feta. Made in USA., Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.
Product price: $9.19
Product brand: Parthenonfoods.com
Target attributes: Milkfat Content
Answer: attribute: milkfat content
value: None
source: None