Objective: how to charge riding mower battery

Which of the following solutions is more sound in terms of naive physics reasoning?

pick from the following. A. Make sure the charger is off. Hook-up the positive cable on the charger to the positive terminal on the battery. Hook up the negative cable on the charger to the negative terminal on the battery. Set the charger to the slowest charge rate.. B. Make sure the charger is off. Hook-up the positive cable on the charger to the negative terminal on the battery. Hook up the negative cable on the charger to the positive terminal on the battery. Set the charger to the slowest charge rate..
A.