Instruction: Extract the value of the target attribute from the given product information and output it along with the corresponding source.

Input:
Product title: Stephen Fishwick Albert Einstein It's All Relative Fine Decorative Art Porcelain Gift Coffee (Tea, Cocoa) 11 Oz. Mug
Product description: This gift mug features an image of Albert Einstein by artist Stephen Fishwick.
Product feature: 11 Oz., C-Handle, Durable Ceramic, Microwave and Dishwasher Safe
Product brand: Culturenik
Target attributes: Material
Answer: attribute: material
value: ceramic
source: product feature
attribute: material
value: porcelain
source: product title