Instruction: Given the title, description, feature, price, and brand of a product and a set of target attributes, extract the value of each target attribute from the product information. Output the extracted value and the corresponding source (e.g., title or feature) denoting where the value is extracted.

Input:
Product title: Ray Ban RB2140 Original Wayfarer
Product description: These Wayfarer sunglasses feature a plastic frame. Logo lettering at right lens and at temples. 100% UV protection. Case and cleaning cloth included., Ray-Ban is the world's most iconic eyewear brand and is a global leader in its sector. Every model in the Ray-Ban collection is the product of meticulous, original styling that translates the best of the latest fashion trends into an ever-contemporary look for millions of Ray-Ban wearers around the world. From the early Aviator style that emerged in 1937 to the introduction of the classic Wayfarer in 1952, Ray-Ban is a brand that embodies America and adventure, great cities and wide-open spaces, heroism, individuality, and authenticity. Starting with a silver screen debut in 1961, Ray-Ban sunglasses have appeared throughout hundreds of films and have been a favorite on the Hollywood scene for years, both on and off the screen. With timeless and imaginative styles, Ray-Ban consistently blends high-tech design, lenses, and materials. The collection remains true to its classic heritage while continuously evolving to meet today's fashion demands.
Product feature: Acetate, Imported, Acetate frame, Glass,Glass lens, non-polarized, Lens width: 50 millimeters, Bridge: 22, Non-polarized Lens, Lens: 50mm / Bridge: 22mm / Arm: 150, Frame: Acetate, Lens: Glass,Glass, 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!, Package Dimensions: 6.9 x 2.8 x 1.8 inches, Shipping Weight: 4.2 ounces ( View shipping rates and policies ), ASIN: B0018DR0Y2, Item model number: rb2140_901S_50, Date first listed on Amazon: June 21, 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: 3.9 out of 5 stars 376 customer reviews
Product price: $153.00
Target attributes: Silhouette
Answer: attribute: silhouette
value: wayfarer
source: product title
attribute: silhouette
value: wayfarer
source: product description