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: Pentel Ballpoint Pen Vicuna, Fine, Black, Red, Blue, Green, Black (BXC47A)
Product description: Pentel Ballpoint Pen Vicuna, Fine, 4 color (Black, Red, Blue, Green), Black Body
Product feature: Pentel Multi Color Ballpoint Pen Vicuna, Fine Point (0.7), BXC47A
Product price: $6.27
Product brand: Pentel
Target attributes: Type
Answer: attribute: type
value: ballpoint
source: product description
attribute: type
value: ballpoint
source: product title
attribute: type
value: ballpoint
source: product feature