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: Stirrings Simple Syrup, 12 oz
Product description: Cocktail Mixer, 'WATER, CANE SUGAR, LACTIC ACID (PRESERVATIVE).', 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 brand: Stirrings
Target attributes: Sugar Content
Answer: attribute: sugar content
value: None
source: None