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: Scooby Doo Toddler Orange T-Shirt
Product description: Your little boy will be ready for the next mystery in this Scooby-Doo short-sleeve toddler T-shirt. Constructed from a cotton/polyester blend for that perfect amount of softness and durability, this Scooby-Doo toddler boys tee features screen printed graphics of Scooby on the front. Any Scooby-Doo fan will love this top.
Product feature: Orange/Blue, Officially licensed Hanna Barbera Scooby Doo toddler Apparel, Tailored from 55/45 cotton/poly blend for softness and durability, Colorful graphics and detail, Machine washable; Imported, Package Dimensions: 8.6 x 6.1 x 0.8 inches, Shipping Weight: 0.32 ounces, ASIN: B00KGG1AIY, Date first listed on Amazon: May 20, 2014, Average Customer Review: 5.0 out of 5 stars 1 customer review
Product brand: Hanna-Barbera
Target attributes: Age Group
Answer: attribute: age group
value: toddler
source: product description
attribute: age group
value: toddler
source: product title
attribute: age group
value: toddler
source: product feature