Final answer:
Among the provided options, a commercial building is an example of real property, which refers to land and anything permanently attached to it.
Step-by-step explanation:
The question pertains to the division of property rights into two categories: real property and personal property. Real property refers to property that is fixed permanently to one location, such as land and structures attached to it. Hence, of the options provided, a commercial building is an example of real property. This stands in contrast to personal property which includes moveable items like vehicles, stocks and bonds, and patents.