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: Thanksgiving Cards - Pilgrims - Set of 3 Cards
Product description: Thanksgiving Card - Pilgrims Landing Original art, printed on high quality paper with the inside blank to print your own personal greeting. With envelopes. 5" x 7"
Product feature: Thanksgiving Cards, Pilgrims Landing, Cards
Product brand: Bradford Press
Target attributes: Quantity
Answer: attribute: quantity
value: set of 3 cards
source: product title