What happens next in this paragraph?

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
Available choices: 1. then stands in front of the dog playing and training him and begins teaching him karate.. 2. is dressed in a black shirt and black shorts, jogging as he follows around a small dog.. 3. is talking about the game now sitting in a large indoor enclosure while this dog is learning how to play together.. 4. is throwing a frisbee for the dog to fetch..
4.