Instruction: Using the product's title, description, features, price, and brand, identify and retrieve the values associated with a specified set of target attributes. Output the extracted values along with their respective sources (e.g., title or feature) indicating where each value was found.

Input:
Product title: Men's NAVY VETERAN T-SHIRT, US NAVY VET T-SHIRT XL Navy
Product description: THIS T-SHIRT IS DECORATED ON THE LEFT BREAST WITH THE UNITED STATES NAVY PORTAL ENCIRCLED WITH THE WORDS UNITED STATES NAVY VETERAN. A T-SHIRT THAT A NAVY VETERAN WOULD BE PROUD TO WEAR.
Product feature: Package Dimensions: 15 x 12 x 1 inches, Shipping Weight: 4.8 ounces, ASIN: B01BRIK80U, Date first listed on Amazon: March 28, 2016, Average Customer Review: 4.0 out of 5 stars 1 customer review
Product brand: CHIEFS NAVY SHIRTS
Target attributes: Pattern
Answer: attribute: pattern
value: None
source: None