Instruction: Using the product's title, description, features, price, and brand, identify and retrieve the values associated with a specified set of target attributes. Output the extracted values along with their respective sources (e.g., title or feature) indicating where each value was found.

Input:
Product title: Calvin Klein Women's S/l Top W/Lace Trim
Product description: Sleeveless top with black lace trimming at neckline which is very comfortable to wear
Product feature: 95% Polyester, 5% Spandex, Imported, Hand Wash, V-neck line, Pull over top, Package Dimensions: 17.9 x 12 x 1.8 inches, Shipping Weight: 8.8 ounces, ASIN: B01EM22N88, Item model number: M6FH7850, Date first listed on Amazon: July 25, 2016, Average Customer Review: 4.6 out of 5 stars 3 customer reviews
Target attributes: Sleeve Style
Answer: attribute: sleeve style
value: sleeveless
source: product description