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: 1986 Version Milton Bradley Othello Board Game
Product description: Othello is a fast-moving classic strategy game played with discs that are black on one side and white on the other. Try to outflank your opponent by placing your discs at both ends of a row. Then turn the discs over so your color show!
Product feature: Contents: 1 plastic gameboard with green felt lining, 64 two-color discs- black and white, Original instruction manual
Product brand: Milton Bradley
Target attributes: Age Group
Answer: attribute: age group
value: None
source: None