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: Sand Socks Vincere for Snorkeling, Beach Soccer, Sand Volleyball
Product feature: neoprene, Top quality materials and construction for durability: Neoprene sole with lycra upper, adjustble cuff, Protect feet from hot sand, mud, blisters, sunburn, Improve performance for beach volleyball, sand sports, snorkeling, Size XXS: Mens/boys US 1-2 (Womens 1-3). Size XS: Mens/boys US 2.5-4 (Womens 3.5-6). Size Small: Mens/boys US 4.5-6.5 (Womens 6.5-8.5). Size Medium: Mens US 7-10 (Womens 9-11.5). Size Large: Mens US 10.5-12 (Womens 12-14). Size XL: Mens US 12.5-14. Size X
Product price: $9.99 - $52.22
Product brand: Sand Socks
Target attributes: Pattern
Answer: attribute: pattern
value: None
source: None