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

Input:
Product title: BI.TENCON Women's Boat Neck Cap-Sleeve Side Knot Party Pencil Dress
Product description: BI.TENCON Women's Boat Neck Cap-Sleeve Side Knot Party Pencil Dress Creating a sleek and cinched silhouette, a twisted side knot detail dresses up a classic dress, crafted from silky matte jersey., ******, DRESS FEATURES, Fabric: 95% Polyester 5% Spandex. Lining: 100% Polyester, Body Shape: All body shape, Sleeve Length: Cap Sleeves, Season: Spring, Summer, Autumn, Winter, Venues: Garden, Business, Wedding, Prom, Party, Bridesmaid, Evening, Cocktail, Get-together, Costume party, Dinner, Costume party skirt etc., ******, Wash Tips:, Regular machine washable;, ******, Size:, Pls get measured before placing an order. Size chart setted in picture column., Package Included:1 Dress
Product feature: Meterial: 95% Polyester 5% Spandex. Lined with polyester. Fabric provides stretch, Elegant boat neckline, subtle cap sleeves, Body-conscious silhouette features a flattering shirred knot detail at the wearer's left side, Occasions: party dress, for wedding party, business dinner, cocktail dress etc., BI.TENCON register brand, Shipping Information: View shipping rates and policies, ASIN: B018UJB9WU, Date first listed on Amazon: December 2, 2015, Average Customer Review: 4.5 out of 5 stars 6 customer reviews
Product price: $19.99
Product brand: BI.TENCON
Target attributes: Sleeve Style
Answer: attribute: sleeve style
value: cap-sleeve
source: product title
attribute: sleeve style
value: cap sleeves
source: product description
attribute: sleeve style
value: cap-sleeve
source: product description
attribute: sleeve style
value: cap sleeves
source: product feature