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: Aquila Art Glass HK8003-KB Mosaic Collection Knob, Autumn
Product description: Mosaic Autumn Knob comes in a variety of shapes. Made of Glass. This product is handmade. Made in USA. Mosaic Collection.
Product feature: It is in Glass, It is in Handmade, Made in USA, Mosaic Collection
Product price: $16.99
Product brand: Aquila Art Glass
Target attributes: Finish
Answer: attribute: finish
value: None
source: None