Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: Toddland Men's Gnome On The Range Boxerbriefs
Product description: Navy low rise boxer briefs with gnomes and spaceships
Product feature: 95% Polyester/5% Spandex, Hand Wash, Logo's waistband, No front fly, Package Dimensions: 6.6 x 5.1 x 1 inches, Shipping Weight: 4 ounces, ASIN: B00FJQEIT4, Item model number: TLFW13UP005, Date first listed on Amazon: November 1, 2013, Domestic Shipping: Item can be shipped within U.S., International Shipping: This item is not eligible for international shipping. Learn More, Average Customer Review: 5.0 out of 5 stars 1 customer review
Target attributes: Pattern
Answer: attribute: pattern
value: None
source: None