Instruction: Extract the value of the target attribute from the given product information and output it along with the corresponding source.

Input:
Product title: a.testoni Men's Traditional Penny Loafer
Product description: a.testoni is an Italian luxury brand. Since 1929, they have produced superior quality men's and women's leather shoes and accessories with refined and elegant style that's truthful to its origins and still contemporary. Today, with more than 70 directly owned shops and more than 250 selected distributors in Europe, USA and Asia, a.testoni carries the true essence of Italian craftsmanship to luxury markets throughout the world.
Product feature: 100% Leather, Imported, Rubber sole, Heel measures approximately 1", Traditional slip-on penny loafer featuring classic keep overlay and low heel, Made in Italy, Package Dimensions: 13.6 x 8.5 x 5.2 inches, Shipping Weight: 2.7 pounds, ASIN: B00M2THQIG, Item model number: M80417, Date first listed on Amazon: December 4, 2014, Domestic Shipping: Item can be shipped within U.S., International Shipping: This item is not eligible for international shipping. Learn More, Average Customer Review: 3.6 out of 5 stars 3 customer reviews
Target attributes: Silhouette
Answer: attribute: silhouette
value: loafer
source: product title
attribute: silhouette
value: penny loafer
source: product title
attribute: silhouette
value: loafer
source: product feature