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: President Ronald Reagan in Cowboy Hat - 24"x36" Poster
Product feature: 24" x 36" poster, Shipped in mailing tube to prevent bending
Product price: $43.95
Product brand: Welsh Printing
Target attributes: Type
Answer: attribute: type
value: poster
source: product feature
attribute: type
value: poster
source: product title