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: The Melting Diamond Black/White Graphic Print T Shirt
Product feature: 100% cotton, High-quality, 100% cotton., Screen printed design, Shipping Weight: 1.06 pounds, ASIN: B00EB06CTI, Date first listed on Amazon: August 2, 2013, Average Customer Review: 3.2 out of 5 stars 6 customer reviews
Product brand: Rob'sTees
Target attributes: Active Style
Answer: attribute: active style
value: None
source: None