Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: NFL Chicago Bears 3-by-5-foot Flag
Product description: NFL Chicago Bears 3-by-5-foot Flag
Product feature: Reinforced sewn header with grommets, Display inside or outdoors, Bright color team logo
Product price: $19.99
Product brand: Flagpole To Go
Target attributes: Season
Answer: attribute: season
value: None
source: None