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: Geoffrey Beene Mens Soft Acrylic Fancy Vest
Product description: Fine guage, soft hand
Product feature: 100% Acrylic, Inspired patterns and colors, Vests are a key laying piece of the season, Appropriate for office or night out, Package Dimensions: 13.5 x 11.2 x 1.3 inches, Shipping Weight: 6.4 ounces, ASIN: B0041Q3772, Item model number: 55150TN-Graphite Marl-Small, Date first listed on Amazon: October 26, 2010, Domestic Shipping: Item can be shipped within U.S., International Shipping: This item is not eligible for international shipping. Learn More, Average Customer Review: 4.5 out of 5 stars 4 customer reviews
Target attributes: Pattern
Answer: attribute: pattern
value: None
source: None