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: Ftbstyle Sexy Womens Chiffon Backless Sling Strap Back Clubwear Party Mini Dress (M, Green)
Product feature: ASIN: B00JE7SE8K, Date first listed on Amazon: April 29, 2014, Average Customer Review: 3.0 out of 5 stars 2 customer reviews
Product brand: Ninimour
Target attributes: Length
Answer: attribute: length
value: mini
source: product title