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: Custom Etched USAF"Chief" Emblem on 25 Oz Sports Mug (1)
Product description: Custom Etched USAF "Chief" Emblem on 25 oz Sports Mug (1). Beautifully & individually handcrafted in great detail on quality Libbey glassware. All etching on clear glassware unless otherwise noted. SHIPPED VIA USPS MEDIUM FLAT RATE BOX WITH 2-3 DAY DELIVERY.
Product feature: Individually handcrafted and sandcarved etched, Not mass producted, Unique, On Quality Libbey Glassware, Excellent gift for anyone who is or ever has been an E-9 in the US Air Force
Product price: $24.00
Product brand: PG SEEDS GIFT SHOP
Target attributes: Material
Answer: attribute: material
value: None
source: None