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: Mud Pie Lake House Whitewashed Frame 4 X 6
Product description: Planked whitewashed frame from Mud Pie features etched inch home sweet Lake house" sentiment. Measures 9 inch x 11".
Product feature: Holds 4x 6Horizontal photo, Hangs with sawtooth or stands with dowel easel, Measures 9x 11
Product brand: Mud Pie
Target attributes: Special Occasion
Answer: attribute: special occasion
value: None
source: None