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: Madame Alexander Holiday Snowflake Skater Keepsake Ornament by Hallmark
Product feature: Hallmark Keepsake Ornament, 8th in the Series, Handcrafted - Dated 2003
Product price: $10.18
Product brand: Hallmark
Target attributes: Material
Answer: attribute: material
value: None
source: None