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: Dragonball Z - S.H.Figuarts Vegeta Action Figure
Product feature: Package Dimensions: 3.5 x 3.2 x 1.4 inches, Shipping Weight: 2.88 ounces, ASIN: B006GN02BW, Item model number: 78546, Date first listed on Amazon: December 1, 2011, Average Customer Review: 4.6 out of 5 stars 6 customer reviews
Target attributes: Theme
Answer: attribute: theme
value: None
source: None