Please choose the correct ending to complete the given sentence: Slacklining: More feet are shown trying to balance on the string with a man talking to the camera and others showing how to set it up. more boys

Ending1: come along and start riding on the string up and down as well as kicking and hugging. Ending2: are shown talking as mechanics from their school and a man is interviewed about the class and they begin to walk together on the string. Ending3: continue balancing on the string with several others being interviewed by the camera. Ending4: begin hitting a birdie around the area as well as celebrating and wandering around.

Answer format: ending1/ending2/ending3/ending4