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: 3dRose 154101_4 Cockapoo Dog Mom Mug, 11 oz, Black
Product description: Image printed on both sides. White ceramic mug with black interior and handle. This is manufactured in United States.
Product feature: White ceramic mug with black interior and handle, Image printed on both sides, This is manufactured in United States
Product price: $12.99
Product brand: 3dRose
Target attributes: Material
Answer: attribute: material
value: ceramic
source: product feature
attribute: material
value: ceramic
source: product description