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: Polished Metal Elegant Rectangular Tray with Curved Legs, Home and Kitchen Decoration
Product description: This beautiful tray features shiny finish, roomy surface and two curved legs. It makes this a perfect party tray. Measures 24"L x 9"W x 2"H
Product feature: Beautiful silver finish, Made in India, Measures 24"L x 9"W x 2"H
Product brand: Bar Accessories
Target attributes: Special Occasion
Answer: attribute: special occasion
value: None
source: None