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: VANELi Women's Dallan Wedge Pump
Product description: Scalloped dress wedge, For the latest in high fashion footwear, Vaneli is the brand to watch. Boasting a variety of styles, Vaneli offers the perfect complement to any eveningwear. With a mind on fashion and an eye on comfort, these shoes deliver a perfect blend of long-wearing style.
Product feature: 100% Leather, Imported, Synthetic sole, Heel measures approximately 2.25", Padded footbed, You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition., Read the full returns policy, Go to Your Orders to start the return, Print the return shipping label, Ship it!, Shipping Weight: 7.8 ounces ( View shipping rates and policies ), ASIN: B00YP772YG, Item model number: Dallan, Date first listed on Amazon: August 19, 2015, Domestic Shipping: Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues., International Shipping: This item is not eligible for international shipping. Learn More, Average Customer Review: 3.0 out of 5 stars 2 customer reviews
Product price: $34.27
Product brand: VANELi
Target attributes: Silhouette
Answer: attribute: silhouette
value: pump
source: product title