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: adidas Golf Men's Fall Weight Heather Pant
Product description: Side elastic waistband with belt loops Two front pockets and hidden front right pocket Durable water resistant finish.
Product feature: 100% Polyester, Imported, Side elastic waistband with belt loops, Two front pockets and hidden front right pocket, Durable water resistant finish
Product price: $39.99
Product brand: adidas
Target attributes: Pattern
Answer: attribute: pattern
value: None
source: None