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: LOEFFLER RANDALL Women's Reina Dress Sandal
Product feature: 100% Leather, Imported, Leather sole, Heel measures approximately 3", Dress sandal in textured finish featuring scallop-edged straps at heel and toe, Adjustable ankle strap with buckle, Package Dimensions: 12 x 7.2 x 4.1 inches, Shipping Weight: 1.25 pounds, ASIN: B00PSRVWS4, Item model number: Reina, Date first listed on Amazon: March 17, 2015, Domestic Shipping: Item can be shipped within U.S., International Shipping: This item is not eligible for international shipping. Learn More, Average Customer Review: 4.5 out of 5 stars 2 customer reviews
Product brand: Loeffler Randall
Target attributes: Heel Style
Answer: attribute: heel style
value: None
source: None