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: Threadrock Men's Drum Kit T-Shirt
Product description: Threadrock exclusive, available in selected sizes and colors. Tees are 100% preshrunk cotton and fully machine washable.
Product feature: Threadrock exclusive, 100% preshrunk cotton; seamless rib knit collar; taped neck and shoulders; double-needle hemmed bottom and sleeves, Available sizes: S-3XL, Shipping Information: View shipping rates and policies, ASIN: B01ATRBADY, Item model number: TA00094-10, Date first listed on Amazon: January 19, 2016, Average Customer Review: 5.0 out of 5 stars 1 customer review
Product price: $12.95
Target attributes: Pattern
Answer: attribute: pattern
value: None
source: None