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

Input:
Product title: Be Home 25-19C Copper Measuring cups, Copper
Product description: None Available
Product feature: None Available, Handwash only, None Available, None Available, None Available
Product brand: Be Home
Target attributes: Set Size
Answer: attribute: set size
value: None
source: None