Final answer:
To operate a vehicle with a GVWR of 26,001 pounds or more or any such vehicle towing a vehicle not exceeding 10,000 pounds GVWR, a Class A license is required.
Step-by-step explanation:
To operate a single vehicle with a GVWR of 26,001 pounds or more, or any such vehicle towing a vehicle not in excess of 10,000 pounds GVWR, you would need a Class A license.