Instruction: Using the product's title, description, features, price, and brand, identify and retrieve the values associated with a specified set of target attributes. Output the extracted values along with their respective sources (e.g., title or feature) indicating where each value was found.

Input:
Product title: Charles Albert Linen Women's Canvas Rope Summer Espadrille Slip On Flats Shoes
Product description: Charles Albert is a well-established fashion shoe brand which carries stylish and an affordable women's footwear. Charles Albert offers the best quality at low price and confidently ensure the prestige quality of our products. Charles Albert carries a diverse and wide range selection of the latest trends and hottest a la mode fashion such as Boots, Military Style, Espadrilles, Flats, Lace-Ups, Loafers & Slip-Ons, Pumps, Sandals, High Heels, Platforms, Casuals, Dress Shoes, Oxfords, and many more. Search with "Charles Albert" to see the full line of products. Brought to you by Orly Shoe Corporation.
Product feature: Canvas Upper, Rope Sole., Rubber sole, Espadrille Flat, Slip On, Textile, Man Made Sole, Imported, Package Dimensions: 11 x 4.3 x 4 inches, Shipping Weight: 1.05 pounds, ASIN: B00W8HUUVW, Item model number: 176149-6, Date first listed on Amazon: April 16, 2015, Average Customer Review: 3.4 out of 5 stars 11 customer reviews
Product brand: Charles Albert
Target attributes: Heel Height
Answer: attribute: heel height
value: flats
source: product title
attribute: heel height
value: flat
source: product feature