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: J.Renee Women's Alona Pump,Navy,9.5 W US,J.Renee,Alona" />
Product description: In 1974, Renee' and Micky Harrison founded Remac to realize their dream of creating shoes that provide women with fashion-forward confidence. The company's signature line, J. Renee', specializes in dressy and dress-casual shoes and handbags for every occasion.
Product feature: 100% Synthetic, Synthetic sole, Heel measures approximately 3 1/2", Package Dimensions: 12.6 x 8.3 x 4.2 inches, Shipping Weight: 2.05 pounds, ASIN: B0023NU0GQ, Item model number: Alona, Date first listed on Amazon: August 26, 2009, 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: J.Renee
Target attributes: Style
Answer: attribute: style
value: casual
source: product description