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: Feeling Groovy Party Luncheon Napkins, 16 Ct.
Product description: Amscan.inc is the largest designer, manufacturer, and distributor of decorated party goods and party accessories in the world, founded in 1947. Our company is also a leading supplier of gifts, home decor, and tabletop products as well as the primary source for gift wrap, gift bags, stationery, and licensed products. Our party offering is comprised of more than 300 innovative party ensembles including tableware, accessories, balloons, novelties, stationery, gift wrap, and decorations. Gifts that inspire and satisfy customer needs. Your party will be too cool for school with this Feeling Groovy Luncheon Napkin! Decked out in a fabulous 60s theme, these paper party napkins are the perfect addition to your birthday party supplies. Team them up with the rest of our rockin 60s theme party ware and enjoy this blast from the past! Amscan pledge to provide you the quality product at a reasonable price. If you come in, we will give you the reason to come back. Premium quality, Affordable, Value pack, Easy to use, Best for any party
Product feature: 16 luncheon napkins, Luncheon napkins made of durable paper printed with psychedelic tie-dye swirl, Keep our small paper napkins on hand when serving cocktails, dessert or appetizers at the party, Match up with our other tableware decorations
Product price: $4.42
Product brand: Amscan
Target attributes: Season
Answer: attribute: season
value: None
source: None