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: Occunomix LUX-SSGCS Class 2 Classic Mesh Surveyor Safety Vest Yellow-3/4X
Product description: Occunomix LUX-SSGCS Class 2 Classic Mesh Surveyor Safety Vest Yellow-3/4X
Product feature: Occunomix LUX-SSGCS Class 2 Classic Mesh Surveyor Safety Vest Yellow-3/4X
Product price: $24.81
Product brand: OccuNomix
Target attributes: Pattern
Answer: attribute: pattern
value: None
source: None