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: Mizuno GMVP1300F1 MVP Fast Pitch Softball Fielder's Mitt
Product description: The Mizuno GMVP1300F1 is a 13.00-Inch outfielder's glove made from soft Bio Throwback leather and is game ready right out of the box.
Product feature: Center Pocket designed patterns offer the most versatile break-in possible, Soft, pebbled, Bio Throwback leather for game ready performance and long lasting durability, Power Lock closure provides the quickest and most secure fit available, V Flex Notch is designed to help initiate easy closure, Trident web
Product brand: Mizuno
Target attributes: Web Pattern
Answer: attribute: web pattern
value: None
source: None