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: Southbat Youth All Wood Light Weight -7oz with Warranty
Product description: This is our best selling Youth Pro bat. Made with light and durable Tipa wood, we were able to achieve a -7 oz. weight drop! This bats barrel resembles the barrel of an aluminum bat, increasing its sweet spot and allowing a young player to enjoy practicing with wood. Every player that swings an aluminum bat in youth sizes automatically falls in love with the SB-BB. Coaches love to train their young players with this revolutionary Tipa wood Big Barrel and many players are making the permanent switch to this amazing bat.
Product feature: Southbat, youth, All Wood with, Light Weight -7oz, Warrenty
Product brand: SOUTHBAT
Target attributes: Material
Answer: attribute: material
value: wood
source: product feature
attribute: material
value: wood
source: product title
attribute: material
value: wood
source: product description