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: Jewelry Monster "Cupcake w/ Red Enamel Cherry" for Floating Charm Lockets
Product feature: Quantity: 1 Floating Charm, Material: Base Metal Silver Plated, Size: 7mm Height x 9mm Wide Thickness 2mm, Fits: Floating Charm Lockets Pendant
Product price: $5.99
Product brand: Jewelry Monster
Target attributes: Shape
Answer: attribute: shape
value: None
source: None