Please choose the correct ending to complete the given sentence: Using the rowing machine: A man is inside a gym while speaking to the camera. Other men are working out behind him. he

Ending1: continues to speak, demonstrating how to wear a pair. Ending2: demonstrates how to use a push mower to mow the lawn. Ending3: holds up a selfie stick and shows how to use it to send a picture. Ending4: demonstrates via volunteer how to use a rowing machine.

Answer format: ending1/ending2/ending3/ending4