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 Men's Hike Heavy Wool Crew Boot Socks
Product description: Under Armour brand mission is to make all athletes better through passion, science and the relentless pursuit of innovation. Today's athlete demands a sock that not only represents the look and feel of the brand, but that simultaneously provides useful, technical attributes bridging the gap between style and functionality.
Product feature: 41% Acrylic/34% Wool/19% Polyester/4% Nylon/2% Spandex, Imported, Heavy full cushion throughout provides maximum comfort and warmth, Embedded arch support helps reduce foot fatigue, Armour dry material wicks moisture, accelerates evaporation, Armour Block Technology helps prevent growth of odor-causing bacteria, CHARGED wool provides superior moisture management, insulation and comfort
Product price: $14.54 - $21.99
Product brand: Under Armour
Target attributes: Style
Answer: attribute: style
value: crew
source: product title