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: ARTIX A+ Nirvana Mens Tank Top
Product description: Our products are manufactured using state of the art in-front heat pressed graphics. Apparel are pre-shrunk made of 100% cotton. We carry American adult sizes S - 2XL and most graphics are available in Men and Women sizes. Please visit our store.
Product feature: Gildan Apparel 100% Ultra Cotton 6.1 oz., pre-shrunk Mens Tank Top, Modern Fit: Jersey knit. Band of fabric around neckline and armholes, Double needle bottom hem. Quarter-turned to eliminate center crease., Proudly designed and printed in USA, Wash Inside Out with Cold Water. Hand dry recommended., Shipping Weight: 7 ounces, ASIN: B015K7W4RO, Date first listed on Amazon: September 19, 2015, Average Customer Review: 3.9 out of 5 stars 2 customer reviews
Product brand: ARTIX
Target attributes: Sleeve Style
Answer: attribute: sleeve style
value: tank top
source: product title
attribute: sleeve style
value: tank top
source: product feature