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: Castelli 2016 Free Kit 13 Cycling Sock - R16025
Product description: Meryl Skinlife bacteriostatic yarns. Medium-compression construction gives secure feeling. Rib knit under foot. Arch support band
Product feature: Meryl Skinlife bacteriostatic yarns, Medium-compression construction gives secure feeling, Rib knit under foot, Arch support band, 5 -30 C / 41-86 F
Product price: $13.46
Product brand: Castelli
Target attributes: Style
Answer: attribute: style
value: None
source: None