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: Beistle Texas Luncheon Napkins
Product description: Western, western tableware pattern, tableware pattern for western, Texas plates, plates for Texas, paper plates, western paper plates, paper tableware pattern, Texas, western napkins, western paper napkins.
Product feature: Party Accessory, 16 per package, Not Dishwasher Safe, Table Decoration, Lunch Napkin
Product price: $13.28
Product brand: Beistle
Target attributes: Season
Answer: attribute: season
value: None
source: None