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: Women Sexy 3/4 Sleeve Casual Mini Shift Office OL Dresses
Product description: 100% Brand New Material: Cotton Blend 4 Colors: White, Red, Black, Blue Collar: V-Neck Sleeve: 3/4 Sleeve Style: Sexy Zipper: Front Zipper Dress Length: Above Knee Pattern: Solid Occasion: Casual, Party Garment Care: Hand-wash and Machine washable, Dry Clean Unique style, create a illusion for stunning curves, make you more beautiful, fashion, sexy and elegant. Package Content: 1 x Women Dress
Product feature: 100% Brand New, Material: Cotton Blend, 4 Colors: White, Red, Black, Blue, Collar: V-Neck, Sleeve: 3/4 Sleeve, ASIN: B01EHS7U30, Date first listed on Amazon: April 19, 2016, Average Customer Review: 4.0 out of 5 stars 1 customer review
Product brand: Best Deal
Target attributes: Neckline
Answer: attribute: neckline
value: v-neck
source: product description
attribute: neckline
value: v-neck
source: product feature