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: US Polo Assn Boys Royal Blue & Red Polo 2pc Denim Pant Set
Product description: US Polo Assn boys s/s polo w/button closure, denim pant with button & zipper closure with 5 pockets.
Product feature: Polo: 60% Cotton, 40% Polyester, Pant: 80% Cotton, 20% polyester, Made in China, Machine Wash Cold, Shipping Weight: 1 pounds ( View shipping rates and policies ), ASIN: B00LI7T0ZA, Item model number: P5HO26SB-070314-F.50, Date first listed on Amazon: July 3, 2014, Average Customer Review: 5.0 out of 5 stars 1 customer review
Product price: $14.99
Product brand: U.S. Polo Assn.
Target attributes: Uniform
Answer: attribute: uniform
value: None
source: None