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: ZuPreem AvianMaintenance FruitBlend Premium Bird Diet for Medium Birds
Product description: ZuPreem Avian Maintenance Fruit Blend Bird Diet for birds provides the balanced nutrition birds need every day to maintain good health. Five fruit shapes in five crazy colors deliver 21 vitamins and minerals in every bite. Fruity taste and aroma to delight your bird's senses.
Product feature: Great for all Cockatiels and Lovebirds, Contains fresh ground fruit in every tasty bite, 21 vitamins and minerals, no supplements required
Product price: $15.08
Product brand: ZuPreem
Target attributes: Form
Answer: attribute: form
value: None
source: None