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: LELVA Classical Ethnic Style Bedding Sets, American Country Style Bedding Sets, Bohemian Style Bedding Boho Duvet Cover Set 4pcs (King)
Product description: Care instructions: First wash,Please with brine (below 30 ) no long-time soaking (less than 8 minutes) machine washable, hand wash, Cold ironing., Note: This item has no comforter!!!!, Hidden zipper design,delicate and beautiful, drive smoothly, When you purchase, please note that you buy the correct size!, You'll love them!
Product feature: Material100%Cotton high-density fabric, super cozy and soft!, King(4Pcs),1 duvet cover:86''*94'', 1 flat sheet:98''*106'', 2 pillowcases:19''*29'', Love home, love life, love bedding ~, IMPORTANT NOTE: This bedding set includes a duvet cover for quilt/duvet/comforter but WITHOUT any quilt/duvet/comforter/blanket inside,just COVER., LELVA committed to create a warm and comfortable home!
Product brand: LELVA
Target attributes: Type
Answer: attribute: type
value: sets
source: product title
attribute: type
value: set
source: product feature
attribute: type
value: duvet cover set
source: product title