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: MonsterCloset Sleeveless Racerback Midi Dress
Product feature: 8% spandex, Sleeveless Racerback Midi Dress, Brand New, Imported, 92% Cotton - 8% Spandex, ASIN: B011EX7JS2, Item model number: 05D9852-BK-L, Date first listed on Amazon: July 10, 2015, Average Customer Review: 3.4 out of 5 stars 3 customer reviews
Product brand: MonsterCloset
Target attributes: Length
Answer: attribute: length
value: midi
source: product feature
attribute: length
value: midi
source: product title