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: Carffany Women's Set of 7 Bracelet Bangle Jewelry Stainless Steel High Polished Tri Color Rose Gold /Silver /Gold 8.5Inches
Product feature: High polished stainless steel material., Width:0.24", Diameter:2.68", Weight:0.138Ib., Package include 3PCS white silver, 2PCS yellow gold, 2PCS rose gold., High-Polished finish and will look great worn alone or with a watch., 30-day 100% satisfaction and money back guarantee.
Product price: $13.99
Product brand: Carffany
Target attributes: Silhouette
Answer: attribute: silhouette
value: bangle
source: product title