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: 14k Yellow Gold Open Double Heart Bangle Bracelet, 7.5"
Product description: The Amazon Curated Collection, Discover the Amazon Curated Collection of fine and fashion jewelry. The expansive selection of high-quality jewelry featured in the Amazon Curated Collection offers everyday values that range from precious gemstone and diamond pieces to the latest fashion designs., This hand-selected assortment features an array of diamond, gemstone, and precious metal designs that receive a quality inspection, including from Amazon’s staff graduate gemologist, to ensure they meet Amazon’s high standards. All diamonds featured in the Amazon Curated Collection are certified by our suppliers to be conflict free, and IGI, GIA, or AGS certifications are provided on white diamonds of .75 carats or larger on all stud earrings, rings, and pendant necklaces., Pieces from the Amazon Curated Collection come packaged in a custom box, making them wonderful gifts. In addition, we offer free one-day shipping within the continental U.S. on items over $500. International shipping options for friends and family overseas are available for an additional fee., The Amazon Curated Collection offers a specialized customer service team that is available seven days a week to answer any product questions before, during or after the purchase. If you’re not satisfied for any reason, you will receive a full refund and free return shipping within the U.S. if you return your purchase within 30 days., Find a special gift for a loved one or a beautiful piece that complements your personal style with jewelry from the Amazon Curated Collection.
Product feature: 14k Gold Bracelet, 7.5", Made in Italy, Crafted in 14K Gold, High Polished, 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!, The Amazon Curated Collection offers a specialized customer service team that is available seven days a week to answer any product questions before, during or after the purchase., If youre not satisfied for any reason, you will receive a full refund and free return shipping within the U.S. if you return your purchase within 30 days., Package Dimensions: 6 x 5.1 x 0.9 inches, Shipping Weight: 0.32 ounces ( View shipping rates and policies ), ASIN: B00Z61W98O, Item model number: BK4008A, Date first listed on Amazon: July 21, 2015, Domestic Shipping: Item can be shipped within U.S., International Shipping: This item can be shipped to select countries outside of the U.S. Learn More, Average Customer Review: 5.0 out of 5 stars 1 customer review
Product price: $229.39
Product brand: Amazon Collection
Target attributes: Silhouette
Answer: attribute: silhouette
value: bangle
source: product title