Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: Tommy Hilfiger Men's 4 Pack Argyle Crew Socks
Product description: Soft touch yarn, reinforced heel/toe, smooth toe seam. 168 needle
Product feature: 38% Rayon, 34% Cotton, 15% Polyester, 11% Nylon, 2% Spandex, Imported, Machine Wash, Smooth toe seam, Reinforced heel/toe, Package Dimensions: 1 x 1 x 1 inches, Shipping Weight: 1 pounds ( View shipping rates and policies ), ASIN: B017BQCH42, Item model number: ATY193, Date first listed on Amazon: December 7, 2015, Average Customer Review: 4.4 out of 5 stars 20 customer reviews
Product price: $19.98
Target attributes: Pattern
Answer: attribute: pattern
value: argyle
source: product title