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: Sequin Textured Easy Matching Cowboy Vest Denim Jacket -Blue
Product description: Ships from Hong Kong. You can wear all the year round, great joker cowboy vest! Manual break yeast grinding bleaching extremely rich individual character. Select fabrics, rich simple sense! Cowboy accused of love.
Product feature: Pull On closure, Material: cotton., You can wear all the year round, great joker cowboy vest!, Extremely individual character., Can match into different style., Length: 45cm,be suitable for weighting: 40kg-55kg, 150-170 cm tall., Shipping Weight: 8.8 ounces ( View shipping rates and policies ), ASIN: B012AJQKRK, Item model number: BT-CLO1045206-FLORA00578, Date first listed on Amazon: July 21, 2015, Average Customer Review: 3.0 out of 5 stars 1 customer review
Product price: $22.35
Product brand: Black Temptation
Target attributes: Pattern
Answer: attribute: pattern
value: None
source: None