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: 2 Pairs of Gold with Red Curved Hanging Stone Style 2.75 Inch Dangle Earrings (R-2306)
Product description: These are great quality ladies dangle earrings. This is fashion jewelry designed to last!
Product feature: THIS PRICE IS FOR TWO PAIRS OF EARRINGS!, These dangle earrings measures 2.75 inches from top to bottom., Great Quality Jewelry!, Ships from USA, Guaranteed!, ASIN: B00A7GHBNQ, Item model number: HE1394"/"R-2306, Date first listed on Amazon: November 14, 2012, Average Customer Review: 5.0 out of 5 stars 1 customer review
Product brand: JOTW
Target attributes: Silhouette
Answer: attribute: silhouette
value: dangle
source: product title
attribute: silhouette
value: dangle
source: product feature
attribute: silhouette
value: dangle
source: product description