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: E14B St Louis Rams 3'x5' Heavy Duty Flag
Product description: This is an officially licensed large 3' x 5' flag made with durable Polyester material for indoor or outdoor use. Has 2 grommets for hanging on a pole or wall.
Product feature: Heavy Duty Polyester Material, Weather Resistant, Officially Licensed NFL Product
Product price: $17.95
Product brand: Alotta Signs
Target attributes: Type
Answer: attribute: type
value: flag
source: product title
attribute: type
value: flag
source: product description