Please choose the correct ending to complete the given sentence: Canoeing: A person is rowing at the edge of a boat. the person

Ending1: is swinging back and forth on the bottom. Ending2: swings themselves back and forward on the slack line. Ending3: takes out a fishing hook. Ending4: pulls on the rope as he tries to stay upright.

Answer format: ending1/ending2/ending3/ending4