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: Breaking Bad Walter White Br Ba Men's T-Shirt (X-Large, White)
Product description: Short sleeve crew neck t-shirt featuring a high quality graphic from the hit show Breaking Bad.
Product feature: 60% Cotton/40% Polyester, Made in USA or Imported, Men's Shirt, Machine Wash/Dry, Officially Licensed Product, Product Dimensions: 11.5 x 7 x 1 inches, Shipping Weight: 5.6 ounces ( View shipping rates and policies ), ASIN: B015BQLVIC, Date first listed on Amazon: September 13, 2015, Average Customer Review: 5.0 out of 5 stars 1 customer review
Product price: $9.86
Product brand: Breaking Bad
Target attributes: Sleeve Style
Answer: attribute: sleeve style
value: short sleeve
source: product description