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: Angry Birds 8" Plush Rio Bird With Sound Set Of 3
Product description: Set of 3 includes:
Product feature: *1x Blu, *1x Jewel, *1x Pedro, *8 inch scale plush, *Polyester fiber construction
Product brand: Angry Birds
Target attributes: Battery Type
Answer: attribute: battery type
value: None
source: None