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: Penthouse Women's Rose Peep-Toe Pump
Product description: 4.5 Inch Peep Toe Pump, With 3/4 Inch Concealed Platform, A classic silhouette, delicate bow detail, and barely there peep toe make the Rose pump from Penthouse a true American beauty. A hidden platform and heel create a look with head-turning height, while its eye-catching logoed charm and cherry-printed fabric lining add extra retro-sweet touches.
Product feature: Clothing, Shoes & Jewelry, Women, Shoes, Boots
Product brand: Penthouse
Target attributes: Silhouette
Answer: attribute: silhouette
value: pump
source: product title
attribute: silhouette
value: pump
source: product description