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: Star Trek: Original Series - Fine Art Shot Glass 4-Piece
Product description: Star Trek The Original Series Fine Art Shot Glasses are a remarkable collection of high-quality 2-ounce glasses featuring designs derived from the Star Trek: The Original Series Art Program that includes inspiration from The Original Series with 80 movie-style pieces of art eclipsing every episode of the initial Star Trek television series, including the first pilot. Each individual glass displays a 4-color image unique to a specific poster and episode, and each set includes 4 glasses packaged together. Start your collection now, and don't miss a single set!
Product feature: Drinkware from the final frontier!, Shot glasses based on fine art from Star Trek: The Original Series., Derived from the Star Trek: The Original Series Art Program., Set 6 includes glasses from TOS Episodes 8, 33, 64, and 77.
Product price: $11.73
Product brand: Bif Bang Pow!
Target attributes: Season
Answer: attribute: season
value: None
source: None