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: Icelandic Sunset - Poster by Maciej Duczynski (26x18)
Product description: Icelandic Sunset poster by Maciej Duczynski. Posters and art prints for homes, dorm rooms, office and empty walls everywhere.
Product feature: Artist Name - Maciej Duczynski, Size - 26 x 18
Product brand: Bruce McGaw
Target attributes: Type
Answer: attribute: type
value: poster
source: product title
attribute: type
value: poster
source: product description
attribute: type
value: posters
source: product description