Please choose the correct ending to complete the given sentence: Tai chi: Two men demonstrate different martial arts moves together on a grass covered patch of land surrounded by trees. Two men exhibit a pushing hands exercise in the grass over and over again. the men

Ending1: then progress around the grass and start moving around the small piece of land with the same move in rotation. Ending2: suddenly blow air out of their mouths and stop exercising in a synchronized manner. Ending3: demonstrate several different ways to move a body form in the yard while maintaining only a double line form on the grass. Ending4: 're standing in front of two women demonstrating arm wrestling stance exercises when they see a cameraman walk up to them and begin speaking to them.

Answer format: ending1/ending2/ending3/ending4