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: King Baby 8mm Onyx Bead with Silver Bow Bracelet
Product feature: Items that are handmade and use natural stones, may vary in size, shape and color, Package Dimensions: 3.7 x 2.7 x 1.7 inches, Shipping Weight: 1.6 ounces, ASIN: B00LJWFID2, Item model number: Q42-5538, Date first listed on Amazon: September 10, 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: 3.0 out of 5 stars 1 customer review
Product brand: King Baby
Target attributes: Silhouette
Answer: attribute: silhouette
value: None
source: None