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

Input:
Product title: BCBGMAXAZRIA Women's Kelsia Halter-Neck Cascade-Ruffle Dress
Product description: Cascading ruffles bring a girlish energy to this sophisticated A-line silhouette.
Product feature: 100% Polyester, Imported, Dry Clean Only, Halter-neck dress featuring high-low hemline and cascading ruffled down front and back, Back button closure, Package Dimensions: 13.6 x 10.4 x 2.3 inches, Shipping Weight: 10.4 ounces, ASIN: B00SJJDP1K, Item model number: IQI66D43, Date first listed on Amazon: March 31, 2015, Domestic Shipping: Item can be shipped within U.S., International Shipping: This item is not eligible for international shipping. Learn More, Average Customer Review: 5.0 out of 5 stars 1 customer review
Target attributes: Pattern
Answer: attribute: pattern
value: None
source: None