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: Blittzen Mens Long Sleeve T-shirt POW MIA Flag, L, Black
Product feature: ASIN: B0147OYJUG, Date first listed on Amazon: August 17, 2016, Average Customer Review: 3.0 out of 5 stars 1 customer review
Product brand: Blittzen
Target attributes: Sleeve Style
Answer: attribute: sleeve style
value: long sleeve
source: product title