Please choose the correct ending to complete the given sentence: Disc dog: A man demonstrates how to train a dog to catch frisbees and perform tricks and stunts while doing so. a man

Ending1: is shown with a dog roping in the back of a minivan while being interviewed. Ending2: engages the dog indoors in a variety of games of frisbee volleyball. Ending3: holding an array of white frisbees in his hand talks to a camera the camera pans out and a dog is seen in the background with a frisbee in its mouth. Ending4: plasters snowy dogs on wooden tables along a brick building facing each other.

Answer format: ending1/ending2/ending3/ending4