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: GirlPROPS(R) 3/4" High Wooden Bangle, in Brown
Product description: Wood Bangle Bracelet! Rhodium plated base metal
Product feature: Package Dimensions: 4.3 x 2.8 x 1 inches, Shipping Weight: 1.6 ounces, ASIN: B0084FGNAY, Item model number: GP-974981-MDN, Date first listed on Amazon: December 31, 2008, Average Customer Review: 3.6 out of 5 stars 3 customer reviews
Product brand: GirlPROPS(R)
Target attributes: Silhouette
Answer: attribute: silhouette
value: bangle
source: product title
attribute: silhouette
value: bangle
source: product description