Instruction: Extract the value of the target attribute from the given product information and output it along with the corresponding source.

Input:
Product title: Perry Ellis Men's Long Sleeve Non-Iron Ombre Plaid Pattern Shirt
Product description: Cutaway collar shirt, non-iron, ombre plaid pattern
Product feature: 100% Cotton, Imported, Machine Wash, Cutaway collar shirt, Non iron, Ombre plaid pattern, Package Dimensions: 10.9 x 6.3 x 1.2 inches, Shipping Weight: 8 ounces, ASIN: B00XV139QC, Item model number: 4AMW4025, Date first listed on Amazon: June 24, 2015, Average Customer Review: 3.5 out of 5 stars 2 customer reviews
Product brand: Perry Ellis
Target attributes: Pattern
Answer: attribute: pattern
value: plaid
source: product description
attribute: pattern
value: plaid
source: product title
attribute: pattern
value: plaid
source: product feature