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: Supernatural - Ceramic Coffee Mug / Cup (Sam & Dean Mugshots)
Product description: Ceramic Coffee Mug
Product feature: Ceramic Coffee Mug, Sam & Dean - Mugshots, Holds Up to 12 Fl. Oz, Ship in sturdy cardboard packaging
Product price: $21.99
Product brand: Merchandiseonline
Target attributes: Special Occasion
Answer: attribute: special occasion
value: None
source: None