Please choose the correct ending to complete the given sentence: Disc dog: There's a man wearing a red hat and a black shirt training and playing with his dog in a dog park. There are several other people in that park with their dogs, sitting under canopies. the man

Ending1: then stands in front of the dog playing and training him and begins teaching him karate. Ending2: is dressed in a black shirt and black shorts, jogging as he follows around a small dog. Ending3: is talking about the game now sitting in a large indoor enclosure while this dog is learning how to play together. Ending4: is throwing a frisbee for the dog to fetch.

Answer format: ending1/ending2/ending3/ending4