Please choose the correct ending to complete the given sentence: Putting in contact lenses: A man is looking down and talking into the camera. The man removes his glasses and shows us how to insert contact lenses. the man

Ending1: shakes hands, then gestures at the camera. Ending2: shows the contact lens to the camera. Ending3: uses a small lens cutter to put a contact in the left tip of his finger. Ending4: puts the contact lenses into his eyes and pushes them in then out.

Answer format: ending1/ending2/ending3/ending4