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: Chemistry Women's Ankle Flat Jelly Martin Rain Boots Silver
Product description: The womens rain boots shoes's material of PVC , and have lot of color for the ladies rain boots that looks very fashion. When you wear it that you can feel causal.
Product feature: Jelly, Rubber sole, Platform measures approximately .50", Jelly Rain Boots, rubber sole, High Quality and Waterproof, Shaft measures approximately 7 from arch, Package Dimensions: 11.1 x 11 x 5 inches, Shipping Weight: 2.8 pounds, ASIN: B0195S7TVU, Item model number: W502-SILVER-7, Date first listed on Amazon: October 16, 2015, Average Customer Review: 3.5 out of 5 stars 11 customer reviews
Product brand: Chemistry
Target attributes: Boot Style
Answer: attribute: boot style
value: rain boots
source: product description
attribute: boot style
value: rain boots
source: product feature
attribute: boot style
value: rain boots
source: product title