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: Under Armour Little Boys' Alter Ego Short Sleeve Tee
Product feature: 100% Polyester, Imported, Machine Wash, Superman logo, Loose fit, Package Dimensions: 8.1 x 6.3 x 0.8 inches, Shipping Weight: 2.4 ounces, ASIN: B00GUKGY72, Date first listed on Amazon: January 29, 2014, Domestic Shipping: Item can be shipped within U.S., International Shipping: This item is not eligible for international shipping. Learn More, Average Customer Review: 2.0 out of 5 stars 1 customer review
Target attributes: Sleeve Style
Answer: attribute: sleeve style
value: short sleeve
source: product title