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: Nike Dri-FIT Cushion Quarter Athletic Socks 3-Pack, Grey/Bk/Wt, M 6-8
Product description: UNISEX NIKE 3PPK DRI-FIT CUSHION QUARTER SX4835-981 MULTI-COLOR.
Product feature: 37% cotton, Vendor Name: NIKE, Style No: SX4835-981, Material : Polyester/Nylon/Cott, Descr : 3PPK DRI-FIT CUSHION QUARTER, Color : MULTI-COLOR
Product brand: Nike
Target attributes: Style
Answer: attribute: style
value: None
source: None