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: Virgin Seed Supply Blue Lake 274 Bush Beans 24 Count Seed Pack Organic Non-GMO Heirloom Variety
Product description: 100% MADE IN THE USA Genuine Virgin Seed Supply 24 Blue Lake 274 Bush Bean Seeds We Picked the Healthiest, Fastest Growing & Most Delicious NON-GMO Heirloom Varieties. All of our Virgin Seed Supply seed pack consist of seed harvested in the previous season and are 99.9% pure with 93-98% germination rates depending on variety. All Virgin Seed Supply Seeds were open-pollinated to preserve the plant's genetic variation! This ensures that your crop will be able to produce seeds of it's own! You will never have to buy seeds again for your children or future generations!
Product feature: Virgin Seed Supply, 24 Blue Lake 274 Bush Beans Seeds, Organic Non-GMO Heirloom Variety, 100% MADE IN THE USA
Product price: $6.49
Product brand: Virgin Seed Supply
Target attributes: Sustainability
Answer: attribute: sustainability
value: organic
source: product title
attribute: sustainability
value: organic
source: product feature