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: Suns Out Guns Out Men's Fashion Tank Top
Product description: This top-quality, 100% cotton Shirt is printed direct-to-garment with new age technology that preserves the color-fastness of the design. This unique Shirt is designed and printed in the United States with eco-friendly ink, so it is safe for you and the environment. This durable, comfortable Shirt is sure to be a hit, whether you're buying it as a gift for somebody special or wearing it yourself.
Product feature: *** Good Shoppers **** is only AUTHORIZED seller for this listing. Please check SELLER NAME for getting ACCURATE items which shows up on the photos., Only *** Good Shoppers *** accept unconditional RETURN. And *** Good Shoppers *** is only seller to able to MANAGE this listing., 100% Cotton PreShrunk Cotton T-Shirt for a Cool Comfortable Fit - Exclusive Good Shoppers branded shirts designed and printed in the USA., Highest grade plasticol ink and state of the art equipment to ensure vibrant colors and lasting durability., Fully Machine Washable, Wash Inside out with cold water - Click on Good Shoppers for visiting our Store for more items., Shipping Information: View shipping rates and policies, ASIN: B014AS7CKS, Date first listed on Amazon: August 22, 2015, Average Customer Review: 3.0 out of 5 stars 1 customer review
Product price: $8.99 - $11.99
Product brand: Good Shoppers
Target attributes: Sleeve Style
Answer: attribute: sleeve style
value: tank top
source: product title