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: I Run Better Than The Government Crewneck T-Shirt (Heather Gray, Size XXL)
Product feature: Product Dimensions: 4 x 8 x 1 inches, Shipping Weight: 6.4 ounces, ASIN: B00K0MUYI6, Date first listed on Amazon: June 12, 2016, Average Customer Review: 5.0 out of 5 stars 1 customer review
Target attributes: Pattern
Answer: attribute: pattern
value: None
source: None