Instruction: Using the product's title, description, features, price, and brand, identify and retrieve the values associated with a specified set of target attributes. Output the extracted values along with their respective sources (e.g., title or feature) indicating where each value was found.

Input:
Product title: Duster Cali Glide Complete Skateboard, 8.75x39-Inch
Product description: This skateboard deck is designed for all aspects of skateboarding. Whether it is kicking down the street hucking your self down that 6 set or in the park getting some, this deck will handle every thing you throw at it. It features and upturned nose and tail as well as a progressively designed concave that allows your foot to lock in to what ever trick you are trying. With a solid construction of cross grain layered Canadian Rock Hard Maple this deck is solidly constructed. This solid construction gives this board a lot of POP which will ensure you pull off what ever tricks you got in your bag.
Product feature: 7 ply Canadian Rock hard Maple, Cast Trucks, Urethane Wheels
Product brand: Duster
Target attributes: Deck Material
Answer: attribute: deck material
value: maple
source: product description
attribute: deck material
value: maple
source: product feature