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: Winter Welcome Bird Garden Flag Decorative Winter by Briarwood Lane 12" x 18"
Product description: Winter Welcome Garden Flag Measures: 12" X 18". Cute winter bird with vibrant colors. Made of fade / mildew resistant fabric. Durable construction.
Product feature: Durable construction, Made of fade / mildew resistant fabric, Measures: 12" X 18"
Product brand: Briarwood Lane
Target attributes: Season
Answer: attribute: season
value: winter
source: product title
attribute: season
value: winter
source: product description