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: Oure Women Spaghetti Straps Slim Maxi Long Slip Dress (2XL, black)
Product feature: ASIN: B00N7BC1CY, Date first listed on Amazon: September 27, 2016, Average Customer Review: 4.0 out of 5 stars 1 customer review
Product brand: Oure
Target attributes: Sleeve Style
Answer: attribute: sleeve style
value: spaghetti straps
source: product title
attribute: sleeve style
value: slip dress
source: product title