The correct answer is C) Obey the Master. According to maritime regulations, the Master of the vessel is ultimately responsible for the safe navigation and operation of the ship. While the Pilot provides advisory input, the final authority and decision-making rests with the Master. In a situation where the Master's command conflicts with the Pilot's, the proper course of action is to follow the Master's orders, as they supersede the Pilot's. The other options, such as asking the Pilot to relinquish control or attempting to split the difference, would not be the appropriate response in this scenario.