Instruction: Given the title, description, feature, price, and brand of a product and a set of target attributes, extract the value of each target attribute from the product information. Output the extracted value and the corresponding source (e.g., title or feature) denoting where the value is extracted.

Input:
Product title: Derek Heart Big Girls' Cap Sleeve Fit and Flare Dress
Product feature: 100% Polyester, Imported, Machine Wash, All over lace, Fit and flare, Short sleeve, Double scoop, Product Dimensions: 13.2 x 12 x 1.7 inches, Shipping Weight: 6.4 ounces, ASIN: B00UAGITK2, Date first listed on Amazon: April 20, 2015, Average Customer Review: 4.0 out of 5 stars 12 customer reviews
Product brand: Derek Heart
Target attributes: Sleeve Style
Answer: attribute: sleeve style
value: cap sleeve
source: product title
attribute: sleeve style
value: short sleeve
source: product feature