Please choose the correct ending to complete the given sentence: Scuba diving: A man is engaged in scuba diving. He explores the fish and coral on the floor. he

Ending1: swims through a school of fish, observing the wildlife. Ending2: speaks to the camera as he works. Ending3: lays on the floor and then lays down. Ending4: holds a fish upright while he swims under the water.

Answer format: ending1/ending2/ending3/ending4