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: Michael Kors Women’s Shoes Stanton Trainer Sneaker Leather Silver
Product description: MICHAEL Michael Kors Stanton Trainer - Women's Lace up casual Shoes : Light Denim Denim/Vachetta/Suprema Nappa Sport : Your sporty-chic style will garner admiration in the MICHAEL Michael Kors Stanton Trainer! Leather and suede upper. Lace-up design. Round-toe silhouette. Signature logo detailing. Textile lining and footbed. Rubber outsole. Imported Michael Kors shoes are chic, elegant, comfortable and always fashion forward. Michael Kors embodies a sporty, chic, casual woman with a trendy and busy lifestyle. Here you can shop Michael Kors women's dresspumps and dress sandals. We have an extensive selection of Michael Kors shoe sizes including espadrilles, platform pumps and platform sandals, slip on sneakers, leather sandals, ballet flats, leather dress sandals and peep-toe wedges. Shop our extended styles that include leather gladiator sandals in a variety of colors and textures. Shop Michael Kors mid heel pumps and sandals to keep your feet fashionable but always comfortable. Our Michael Kors leather and suede ankle boots are also a popular choice among everyfashionable and trendy woman. Shop a huge selection ofMichael Kors footwear in all sizes, textures, colors, heights, and shoe widths here.
Product feature: Synthetic, Synthetic sole, Style: Fashion Sneaker, Closure Type: Pull On, Material: Synthetic, Sole Material: Manmade, Toe Style: Closed Toe, Product Dimensions: 5 x 5 x 0.7 inches, Shipping Weight: 1.75 pounds, ASIN: B014USZ2QO, Item model number: 43s5snfs1s, Date first listed on Amazon: June 2, 2016, Average Customer Review: 5.0 out of 5 stars 1 customer review
Product brand: Michael Kors
Target attributes: Toe Style
Answer: attribute: toe style
value: round-toe
source: product description