Instruction: Given the title, description, feature, price, and brand of a product and a set of target attributes, extract the value of each target attribute from the product information. Output the extracted value and the corresponding source (e.g., title or feature) denoting where the value is extracted.

Input:
Product title: Polo Ralph Lauren Men's Demond Boot
Product description: Classic and authentic, Polo is the foundation of the world of Ralph Lauren menswear, combining the time-honored aesthetic of East Coast Ivy League casual style with proper English refinement. Often imitated but never matched, Polo is a true symbol of the preppy lifestyle. The iconic polo player logo is recognized worldwide as a symbol of heritage and authenticity., Classic and authentic, Polo is the foundation of the world of Ralph Lauren menswear, combining the time-honored aesthetic of East Coast Ivy League casual style with proper English refinement. Often imitated but never matched, Polo is a true symbol of the preppy lifestyle. The iconic polo player logo is recognized worldwide as a symbol of heritage and authenticity.
Product feature: 100% Leather, Imported, Synthetic sole, Shaft measures approximately 6.5" from arch, Heel measures approximately 1.5", Platform measures approximately 1", Leather boot featuring duck-style toe, dual buckles on outer side, and double-sided zippers, Debossed logos on heel and side, Lace-up, Product Dimensions: 12 x 4 x 8 inches, Shipping Weight: 4.3 pounds, ASIN: B00JPQCECC, Item model number: Demond, Date first listed on Amazon: August 4, 2014, Domestic Shipping: Item can be shipped within U.S., International Shipping: This item is not eligible for international shipping. Learn More, Average Customer Review: 4.4 out of 5 stars 140 customer reviews
Product brand: Polo Ralph Lauren
Target attributes: Style
Answer: attribute: style
value: casual
source: product description