Instruction: First, identify the target attributes from the provided list. Then, scan the product title, description, feature, and brand to extract the values associated with each target attribute. Finally, create a list of dictionaries, each containing the extracted attribute, its corresponding value, and the source where it was found.

Input:
Product title: CafePress - He Boiled For Your Sins - 100% Cotton T-Shirt
Product feature: ASIN: B00IJA8YN8, Date first listed on Amazon: June 30, 2016, Average Customer Review: 5.0 out of 5 stars 1 customer review
Target attributes: Pattern
Answer: attribute: pattern
value: None
source: None