Instruction: Extract the value of the target attribute from the given product information and output it along with the corresponding source.

Input:
Product title: Idin Clip-on Earrings - Light blue roses clip-on earrings (approx. 20 x 25 mm)
Product description: Light blue roses clip-on earrings
Product feature: Size: approx. 20 x 25 mm, No piercing required, ASIN: B00GP53EAM, Item model number: 104751, Date first listed on Amazon: November 15, 2013, Average Customer Review: 5.0 out of 5 stars 1 customer review
Product brand: Idin
Target attributes: Silhouette
Answer: attribute: silhouette
value: None
source: None