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: Heart Mom Authentic 925 Sterling Silver Family Bead Fits Pandora Charms
Product description: Weight: 1.25 Grams.Material: 925 Sterling Silver..Either way, your European beads bracelet will be a treasured addition to your jewelry collection..Crafted and authenticated by Mai Bey, Heart Mom polymer clay Beads are available f
Product feature: Metal: Sterling Silver, Heart Love Mother Charm, Quantity: 1 Bead, Size Hole is 4.5mm slide on Cores (not threaded), Fits Pandora, Biagi, Chamilia, Zable, charmed memories and Troll Chains
Product brand: Maibey Charms
Target attributes: Shape
Answer: attribute: shape
value: heart
source: product feature
attribute: shape
value: heart
source: product title