Please choose the correct ending to complete the given sentence: Tennis serve with ball bouncing: A grey title screen with white letters and artwork show who the host and the video series is about. footage

Ending1: from the website is shown a duo at a soccer match, playing side by side as they kick something, each run backwards and hitting it high. Ending2: of people runners playing beach and surfing on choppy waters and talking to one another. Ending3: is shown with two players playing tennis. Ending4: of people surfing the waves is shown with a lady underwater and a tiger in front of her.

Answer format: ending1/ending2/ending3/ending4