Instruction: Given the title, description, feature, price, and brand of a product and a set of target attributes, extract the value of each target attribute from the product information. Output the extracted value and the corresponding source (e.g., title or feature) denoting where the value is extracted.

Input:
Product title: 2014 D Herbert Hoover Presidential Dollar Bankroll Uncirculated
Product feature: Bankroll of 25 Coins, Presidential Dollar Coins, Hard to Find, Great Collectible Coins
Product price: $59.99
Target attributes: Nationality
Answer: attribute: nationality
value: presidential dollar
source: product title
attribute: nationality
value: presidential dollar
source: product feature