Instruction: Given the title, description, feature, price, and brand of a product and a set of target attributes, extract the value of each target attribute from the product information. Output the extracted value and the corresponding source (e.g., title or feature) denoting where the value is extracted.

Input:
Product title: Elf Stor 83-DT5020 Rolling Duffel Style Christmas Storage Bag-Holds a 9 ft. Artificial Tree | Red, 9 Foot
Product description: The Elf Stor has made it easy to roll away those heavy artificial Christmas trees with the Elf Stor Rolling Christmas Tree Storage Bag. This innovative, heavy-duty rolling bag is designed specifically for large Christmas trees that are made up of multiple sections. With it's heavy duty construction, extra strong zippers, and handy wheels, this rolling Christmas Tree Bag will be at your service for many Christmas's to come. The overall size is not too big to handle, but not too small --holds a 9 foot tree! Elf Stor added interior straps to secure your tree inside the bag, superior roller blade style wheels and a soft sided, rectangle shape for ease of storage. With the Elf Stor, Christmas has never been so easy., SATISFACTION GUARANTEED: Elf Stor is committed to providing the consumer with the absolute best price and value on our entire line of products, which we ensure by applying a rigorous quality control process. NOTE: This is an exclusive product of Elf Stor and ONLY Christmas Tree Storage Bags by Elf Stor are GUARANTEED to be genuine. IMPORTANT : Avoid buying counterfeit products and transacting with unauthorized sellers. Look for our logo on the packaging for every one of our products., Features:
Product feature: QUALITY MATERIAL: Made with strong, durable and water resistant canvas. Built to last, year after year., DIMENSIONS: 24.5"W x 21.75"D x 59"L. Large enough to hold a 9 foot disassembled Artificial Christmas Tree., PORTABLE: Three roller blade style wheels and reinforced straps make your tree, packed and ready for storage after the holidays., EASY: Taking down your Christmas tree and storing it has never been so easy!, SECURE: Interior straps added to secure your tree and prevent shifting while in motion.
Product price: $34.88
Product brand: Elf Stor
Target attributes: Use
Answer: attribute: use
value: christmas
source: product feature
attribute: use
value: christmas
source: product description
attribute: use
value: christmas
source: product title