Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: Fahrenheit Women's Nandi 15 Platform Pump
Product description: Fahrenheit was established in 2007 to bring hot and edgy footwear to fashionable women everywhere.
Product feature: 100% Manmade, Imported, Rubber sole, Heel measures approximately 5", Platform measures approximately 1.5", Package Dimensions: 10.1 x 9.9 x 3.8 inches, Shipping Weight: 11.2 ounces, ASIN: B008TLPXMM, Item model number: NANDI-15, Date first listed on Amazon: September 16, 2012, 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 3 customer reviews
Product brand: Fahrenheit
Target attributes: Heel Style
Answer: attribute: heel style
value: None
source: None